Public pages

[AntoineRelief]

Description

• Created a new app displaying public pages (only form supported atm)

old pr

cf https://docs.google.com/document/d/107WTPQgF3nhVzMQs8FEW3c4u4I9HkKM5hVz0d17K_DI/edit?usp=sharing

Type of change

• Breaking change (fix or feature that would cause existing functionality to not work as expected)

How Has This Been Tested?

Tested the full flow with form pages: public front/back + back end on same branch

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have put JSDoc comment in all required places
• I have made corresponding changes to the documentation ( if required )
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules