Beta time has come ! 🎉

WARNING: migrations have been reset one last time!

This MR concerns tones of little tweaks:

Reviewed:
* model moderation levels
* serializers.meta.fields value
* Viewset permissions
* on_delete values

Changed:
* Update dark theme color
* Added load prod base script
* beta logo on website
* Added missing about project markdown
* Added RGPD notice to all forms
* Put media files in a docker volume
* More frequent currency exhange rates update

Fixed:
* Front handling of scholarships
* Currencies conversion in the front
* Front theme icons color
* No default networks in prod docker compose to prevent nasty VM routing

Closes #135 #119 #96

feat(taggedItems): reworked, clean and operationnal & twaeked(site information): added notification parameter

WARNING:
* Cleaned ALL migrations files as there were to many issues during the cleaning of taggedModels,

Tagged Items:
* Only for university and country now
* Auto creation on university/country creation
* Front operationnal
* Removed tag models and abstract tagged item

Site Information:
* Added a `should_notify` boolean to the model/front

Other:
* Added a default bot user
* Fixed timezone warning in the back
* Clean signals setup
* Fixed proptypes of Fields in the front
* Added HiddenField
* Deleted now useless files

Closes #30 #58

* Update home page
* Display dynamic information on the home page (external data update and site informations)
* back and front for SiteInformation
* Footer with important information
* Notification on connect for import information
* Fixed markdown currency rounding

Closes #120

Backend:
* Added recommendation list model
* Added smart serializers/viewsets for the model
* Added DRF permissions `IsFollower` and `IsPublic`
* Backend handling of following,

Frontend:
* Cleaned setup
* Textblock ready
* Better save button
* List and view recommendation

Both:
Connected for creation and save of recommendation

Almost done #34

* Added language model
* Added CSV data and loading script
* Language stored in course feedback

Fixes #116
Fixes #32 (Not really fixed, but language now store in feedback)

* Cleaned all init files
* Infer the serializer from the model instead of having it in the models
* Updated the doc accordingly
* Fixed typos

Fixes #93
Fixes #85

Repo structure complete redesign
Fixes #38