Media module overview
Drupal media documentation.
Resources
Embedding media with CKEditor 5
Documentation on media embedding in ckeditor.
Filter module overview
Documentation on text filters.
Using attributes in templates
Documentation on using attributes in twig templates.
Creating Sub-Themes
Drupal sub theme documentation.
Securing file permissions and ownership
Drupal documentation for setting linux file permissions.
Inotify Watches Limit (Linux)
How to increase inotify watches limit in Linux for PHPStorm.
CSS File Organization: Aggregating CSS
Documentation on how css aggregation works.
Policy on 3rd party assets on Drupal.org
Policy for including 3rd party code.