Add API timeout / Fix .NET 6 conversion (#32)

* API requests to Mastodon instances now time out after 30 seconds (inspired by #29)
* Projects now target .NET 6 (#31)
* Minor repo reorg to support single-file deployment (#31)

.gitignore

@@ -4,6 +4,3 @@ src/**/bin
 src/**/obj
 src/**/appsettings.*.json
 src/.vs
-
-## This stores history of every deployment
-src/JobsJobsJobs/Server/Properties/PublishProfiles/FolderProfile.pubxml.user