* Some initial UI work for adding SimpleFin.

* SimpleFin proof of concept working.

* Adds linking & unlinking to existing accounts through the account menu UI.

* Added loading and lint fixes.

* Lint changes.

* Added release notes.

* Typecheck cleanup.

* Import, lint, typecheck cleanups.

* More typecheck cleanup.

* Refactored language for consistency.

* Added default institution name.

* Lint cleanup.

* Addressed change requests.

* Added a default to migration, made variables consistent, added feature flag.

* Added account_sync_source to server schema.

* Adds account_sync_source to test.

* Fix for typecheck.

* Attempt to make typecheck happy.

* Added strict ignore.

* Moved account_sync_source to the right model (face palm).

* Hotfix for institution format.

* Lint cleanup.

* Removed unnecessary promise.all.

* Lint cleanup.

* ESLint no-default-exports 10 - all desktop-client src folders except icons

* Release notes

Renaming all occurrences of Nordigen to GoCardless

Further Nordigen fixes for expired bank-links. With the recent changes
to the router, we had broken this functionality.

<img width="488" alt="Screenshot 2023-06-14 at 09 00 21"
src="https://github.com/actualbudget/actual/assets/886567/8e7516e0-121a-46e0-9e52-24748b161173">
<img width="437" alt="Screenshot 2023-06-14 at 09 00 30"
src="https://github.com/actualbudget/actual/assets/886567/88b36549-1073-4269-b42f-1553c164316f">

Small bugfix for nordigen.

Do not perform the server status check if the user is actually offline.