[Release][v1.11.0] More settings & v0.19 support

This update adds Lemmy v0.19 (the latest version of Lemmy) support to the app. It also adds a number of user settings. There were more settings planned for this release but with the announcement of v0.19, I decided it was safer to cut the release now and add support for v0.19 as the latest lemmy update breaks a lot of stuff with...