Chore: Update Top Level App files to be inline with latest Rails Apps

Because:
* It helps with upgrades and avoiding bugs.

This commit:
* Update .gitignore file to be inline with recent rails apps
* Update config.ru file to latest syntax.
* Update Rakefile to latest syntax.
* Add .gitattributes which is included in latest Rails apps.
* Remove dump.rdb file

.gitattributes

@@ -0,0 +1,10 @@
+# See https://git-scm.com/docs/gitattributes for more about git attribute files.
+
+# Mark the database schema as having been generated.
+db/schema.rb linguist-generated
+
+# Mark the yarn lockfile as having been generated.
+yarn.lock linguist-generated
+
+# Mark any vendored files as having been vendored.
+vendor/* linguist-vendored

.gitignore

@@ -1,20 +1,15 @@
-# See http://help.github.com/ignore-files/ for more about ignoring files.
+# See https://help.github.com/articles/ignoring-files for more about ignoring files.
 #
 # If you find yourself ignoring temporary files generated by your text editor
 # or operating system, you probably want to add a global ignore instead:
-# git config --global core.excludesfile '~/.gitignore_global'
+#   git config --global core.excludesfile '~/.gitignore_global'
 
 # Ignore bundler config.
 /.bundle
 
 # Ignore the default SQLite database.
 /db/*.sqlite3
-/db/*.sqlite3-journal
-
-
-# Ignore any assets that may have been precompiled locally
-# e.g. to test run the production environment locally
-/public/assets
+/db/*.sqlite3-*
 
 # Ignore all logfiles and tempfiles.
 /log/*
@@ -27,57 +22,24 @@
 !/tmp/pids/
 !/tmp/pids/.keep
 
-# scm revert files
-**.orig
-
-# Mac finder artifacts
-.DS_Store
-
-# Netbeans project directory
-/nbproject/
+# Ignore uploaded files in development.
+/storage/*
+!/storage/.keep
 
-# RubyMine project files
-.idea
-/.idea/*
-
-# Textmate project files
-/*.tmproj
+/public/assets
+.byebug_history
 
-# vim artifacts
-**.swp
+# Ignore master key for decrypting credentials and more.
+/config/master.key
 
-# VS Code artifacts
-/.vscode
+# Mac finder artifacts
+.DS_Store
 
-# Ignore application configuration
-/config/application.yml
-/config/database.yml
+# Ignore env files.
 .env*
 
-# secret token
-.secret
-config/secrets.yml
-
-# additional
-.project
-*~
-
-# from Github Rails.gitignore
-*.rbc
-*.sassc
-.sass-cache
-capybara-*.html
-.rspec
-/public/system
+# Ignore test coverage reports.
 /coverage/
-/spec/tmp
-rerun.txt
-pickle-email-*.html
-/vendor/bundle
-=======
-# Versioning
-.rvmrc
-.tool-versions
 
 /public/packs
 /public/packs-test

Rakefile

@@ -1,7 +1,6 @@
-#!/usr/bin/env rake
 # Add your own tasks in files placed in lib/tasks ending in .rake,
 # for example lib/tasks/capistrano.rake, and they will automatically be available to Rake.
 
-require File.expand_path('config/application', __dir__)
+require_relative 'config/application'
 
 Rails.application.load_tasks

config.ru

@@ -1,4 +1,6 @@
 # This file is used by Rack-based servers to start the application.
 
-require ::File.expand_path('config/environment', __dir__)
+require_relative 'config/environment'
+
 run Rails.application
+Rails.application.load_server