Documentation integration (#4653)

* Add documentation under docs/ directory

* Add CI workflow for mkdocs configuration checking

* Add documentation issue template

* update pip-tools?

* Update .gitignore files

* Fix .gitignore rules

* Improve release notes page

* remove references to old repo

.gitignore

@@ -45,9 +45,6 @@ inventree/label.png
 inventree/my_special*
 _tests*.txt
 
-# Sphinx files
-docs/_build
-
 # Local static and media file storage (only when running in development mode)
 inventree_media
 inventree_static
@@ -100,7 +97,7 @@ node_modules/
 maintenance_mode_state.txt
 
 # plugin dev directory
-plugins/
+./plugins/
 
 # Compiled translation files
 *.mo