Add YouTube link to README.md and TYPO3 docs rendering configuration (#25)

* Add YouTube link to README.md

* Update README, add Documentation

* Align description to composer.json

* Use official YouTube linke

* Move video tutorial before development

* Remove superfluous slashes

* Fix image link according the gh docs

Co-authored-by: Gilbertsoft <[email protected]>

Author: marble

Documentation/Files/youtube-video-tutorial.png

@@ -0,0 +1,17 @@
+[general]
+
+project     = TYPO3 Coding Standards Package
+release     = 0.5.x
+version     = 0.5
+copyright   = MIT license
+Description = A set of coding guidelines for any TYPO3-related project or extension
+
+[html_theme_options]
+
+github_branch        = main
+github_repository    =
+project_contact      = https://github.com/TYPO3/coding-standards/issues
+project_discussions  =
+project_home         = https://github.com/TYPO3/coding-standards
+project_issues       = https://github.com/TYPO3/coding-standards/issues
+project_repository   = https://github.com/TYPO3/coding-standards

Documentation/Settings.cfg

@@ -99,6 +99,10 @@ However, there are some more rules that we think are good:
 * Ensure Concatenation to have at least one whitespace around
 * Remove trailing whitespace at the end of blank lines.
 
+## Video Tutorial
+
+[![TYPO3-Tutorial - The TYPO3 Coding Standards Package](/Documentation/Files/youtube-video-tutorial.png)](https://youtu.be/P9fafF2IVpY)
+
 ## Maintaining and Development of this package
 
 This package is not meant to be updated regularly, since talking about coding