Adding stripe integration by making the server logic independent of the
input fields:
- query factories (remote server, foreign data wrapper, foreign table)
to loop on fields and values without hardcoding the names of the fields
- adding stripe input and type
- add the logic to handle static schema. Simply creating a big object to
store into the server
Additional work:
- rename username field to user. This is the input intended for postgres
user mapping and we now need a matching by name
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Co-authored-by: Thomas Trompette <thomast@twenty.com>
## Context
#4774
## How was it tested
Locally
## In further PRs
- Update connection status upon page change
- Adapt Info banner to dark mode
- placeholders for form
