How to add non-organization accounts?
It does list all repositories - except the ones of my user account


It somehow lists my repositories, but the filtering does not work

Dumb comment: Why is the "Add Repositories" list not "just" a table? Example: https://datatables.net/
Searching should work by now in the main branch. (It's slow but working)
Dumb comment: Why is the "Add Repositories" list not "just" a table? Example: https://datatables.net/
Mostly because I didn't consider it. If this seems cleaner/prettier, the layout could be changed to something similar to:

(One small problem is that there doesn't seem to be an API request telling how many repos the user has access to. Therefore, the max value of the table (at the bottom right) would only tell how many repo names are loaded, but not how many could be loaded.)