Documentation: Page "Changing the source code" is empty #5390
Description
I saw this: https://freshrss.github.io/FreshRSS/en/developers/03_Backend/04_Changing_source_code.html and this and it was very disappointing...
Originally posted by @hydrian in #1053 (comment)