Documentation consistency improvements (#349)

* Rename files to kebab-case for consistency

- FAQ: Backup and Restore.md → backup-and-restore.md
- FAQ: Cloud Storage.md → cloud-storage.md
- Saltbox: accessing_apps.md → accessing-apps.md
- Saltbox: install_types.md → install-types.md
- Apps: hetzner_nfs.md → hetzner-nfs.md
- Update mkdocs.yml navigation references

* Add YAML frontmatter to all sandbox apps

- Add standardized frontmatter with hide/tags metadata
- Include semantic tags for app categorization
- 162+ apps now have consistent frontmatter structure
- Improves SEO and navigation organization

* Fix image alt text in Plex documentation

- Add descriptive alt text for folder selection images
- Improves accessibility compliance
- Replaces empty space alt text with meaningful descriptions

* Fix internal links after file renames

- Update all references to renamed files
- Fix broken links to accessing-apps.md, install-types.md, hetzner-nfs.md
- Ensures documentation builds without warnings

* Fix ruTorrent.md filename case sensitivity issue

- Properly rename ruTorrent.md to rutorrent.md
- Resolves navigation mismatch in mkdocs.yml
- Fixes case-sensitive filesystem compatibility

* ruTorrent fix

* Fix file naming and admonition formatting consistency

* Fix list formatting and code block language consistency

* Add missing H1 headings and fix excessive blank lines

* Improve link accessibility by replacing 'here' links with descriptive text

* Add alt text to images in reference and app documentation for accessibility

* Add alt text to themepark documentation images for accessibility

* Fix broken internal links to system.md after file rename

* Add docker compose and docker run related tags to your-own-containers page

* Fix capitalization consistency and improve grammar across documentation

- Standardize Saltbox, Cloudflare, Google Drive capitalization
- Fix grammar issues in your-own-containers page
- Improve writing clarity and punctuation
- Correct possessive forms and compound sentences

* Fix broken anchor link in your-own-containers page

- Update link fragment to match actual heading ID
- Fixes warning about missing anchor #docker-compose

Author: owine

docs/advanced/crowdsec.md

@@ -123,7 +123,7 @@ So any changes to these will be lost next time the role runs.
 
 Example:
 
-```bash
+```shell
 sb install crowdsec
 ```
 

docs/advanced/feeder.md

@@ -20,7 +20,7 @@ _Note: Running the below commands will replace your `unionfs.service` or `merger
 
 The following steps will be done on the Mediabox.
 
-1. In `rclone config`, create an `sftp` remote to your Feederbox called `feeder` (Here is an [asciicast](https://asciinema.org/a/184084?t=0&speed=1&size=medium&cols=75&rows=25) video walking through the process).  The general process of creating an rclone remote is discussed [here](../reference/guides/rclone-remote.md).
+1. In `rclone config`, create an `sftp` remote to your Feederbox called `feeder` (Here is an [asciicast](https://asciinema.org/a/184084?t=0&speed=1&size=medium&cols=75&rows=25) video walking through the process).  The general process of creating an rclone remote is discussed in the [rclone remote guide](../reference/guides/rclone-remote.md).
 
       _Note: If you don't already have one, add the `feederbox` [subdomain](../reference/subdomain.md) and point it to your Feederbox's IP address. If you are using Cloudflare, make sure CDN/Proxy is not enabled for this subdomain._
 

docs/advanced/styled-error-pages.md

@@ -32,7 +32,7 @@ There are initially seven "themes" available, which are stored in `/opt/error_pa
 cats  ghost  hacker-terminal  l7-dark  l7-light  noise  shuffle
 ```
 
-Samples of the themed pages can be viewed [here](https://tarampampam.github.io/error-pages/)
+Samples of the themed pages can be viewed in the [error pages gallery](https://tarampampam.github.io/error-pages/)
 
 ## How do I change the theme?
 
@@ -62,13 +62,13 @@ These error pages do not work with every app; do your own a/b testing to verify
 
 You can find the Saltbox roles that are known to NOT work with:
 
-```bash
+```shell
 grep -Ril "_traefik_error_pages_enabled: false" /srv/git/saltbox/roles | cut -d/ -f6 | sort -u
 ```
 
 You can find the Sandbox roles that are known to NOT work with:
 
-```bash
+```shell
 grep -Ril "_traefik_error_pages_enabled: false" /opt/sandbox/roles | cut -d/ -f5 | sort -u
 ```
 

docs/advanced/themepark.md

@@ -15,15 +15,15 @@ For example:
 
 NZBGet default appearance:
 
-![](images/nzbget-before.png)
+![NZBGet interface showing default appearance before theme application](images/nzbget-before.png)
 
 NZBGet with the "nord" theme:
 
-![](images/nzbget-nord.png)
+![NZBGet interface with nord theme applied showing dark color scheme](images/nzbget-nord.png)
 
 Sonarr with the "hotline" theme:
 
-![](images/sonarr-hotline.png)
+![Sonarr interface with hotline theme showing bright pink and dark styling](images/sonarr-hotline.png)
 
 Choose the theme and apply it to containers in in inventory:
 
@@ -71,7 +71,7 @@ plex_themepark_enabled: true
 nzbhydra2_themepark_enabled: true
 ```
 
-Available themes can be found [here](https://docs.theme-park.dev/theme-options/).  Refer to them in the inventory file by name:
+Available themes can be found in the [Theme Park documentation](https://docs.theme-park.dev/theme-options/).  Refer to them in the inventory file by name:
 
 ```text
 organizr

docs/advanced/user-crontab-examples.md

@@ -19,7 +19,7 @@ If you are unfamiliar with the syntax shown below, [crontab generator](https://c
 
 To edit your crontab, enter `crontab -e`
 
-```bash
+```shell
 PATH=/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin
 @daily cd /opt/plex-meta-manager && python plex-meta-manager.py -r
 0 7 * * 7 sudo PATH='/usr/bin:/bin:/usr/local/bin' env ANSIBLE_CONFIG='/srv/git/saltbox/ansible.cfg' 'sb install backup' -v  >> '/home/seed/logs/saltbox_backup.log' 2>&1
@@ -50,12 +50,12 @@ PATH=/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin
 
 This script deletes
 
-* everything under a size of 100M
-* every unwanted file immediately
-* everything but the wanted files after 10 hours
-* every empty folder
+- everything under a size of 100M
+- every unwanted file immediately
+- everything but the wanted files after 10 hours
+- every empty folder
 
-```bash
+```shell
 #!/bin/bash
 #####################################################
 # script by pho
@@ -135,7 +135,7 @@ eval "${command}"
 
 Note that this script is specific to its author's setup when it was written.  It probably won't work for you as-is.  You'll need to edit the paths to match your situation.
 
-```Bash
+```shell
 #!/bin/bash
 find /mnt/local/downloads/nzbget/completed/sonarr/* -type d -mmin +60 -ls -exec rm -rf {} + 2>/dev/null
 find /mnt/local/downloads/nzbget/completed/radarr/* -type d -mmin +60 -ls -exec rm -rf {} + 2>/dev/null
@@ -149,7 +149,7 @@ find /mnt/local/downloads/nzbget/completed/anime/* -type d -mmin +60 -ls -exec r
 
 ### RXWatcher's optimize.sh
 
-```bash
+```shell
 #!/bin/sh
 # Get the contents of the Preferences file, keep only what we need,  push to a temp, then use it in the curl command