* increase UWSGI buffer size
* Fixed feedback invalidation on edit
* cleaner scholarships presentation
* Fixed missing arg in cron
* Fixed typos
* lighter empty feedbacks
* cleaner notifications

Closes #141 #140

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

* Setup ground for cover photo. Merged early for beta.
* Models updated to use files
* Fixed file/picture serializers
* CoverGallery component updated
* Added fileField  / pageFiles / Picture / Picture editor & tweaked crud actions to be able to post data (would need further testing)
* Fixed general info tab elements size

* TODOs are identified by WARNING

WIP #50

* Added denormalized data about semesters, majors and minors in university model
* added function to compute it
* Added function to cron
* new FilterHandler in the front to handle / cache the filtering
* Tweaked map and search components to display the right stuff
* Map now displays in a different color the elements that have been filtered

* Renamed spacilities field to majors
* Fixed bugged in downshift multiple (couldn't add same after delete)
* Deleted useless code in offer

Linked to #31

Pagination:
* Paginated endpoints for offers and previous exchanges,
* Added front component to display paginated data,
* Display offer in the front

Filter on previous exchanges:
* Added a denormalized model to store information
* Compute it in cron and in transaction
* Filter in front

Closes #123

* Setup cron to automatically update remote data
* Support partial (login based) utc data update
* Tweaked models to record untouched or unlincked situations
* take them into account in the front and the back,
* Auto creation of general feedback also
* Added info about unlinked utc partners in the front
* Added button to request update ent data
* Added university offer module to the front

Other:
* Tweaked loading scripts
* tweaked models
* Fixed SelectField

Closes #28