Syncshells (#11)

* some groups stuff

* further groups rework

* fixes for pause changes

* adjsut timeout interval

* fixes and namespace change to file scoped

* more fixes

* further implement groups

* fix change group ownership

* add some more stuff for groups

* more fixes and additions

* some fixes based on analyzers, add shard info to ui

* add discord command, cleanup

* fix regex

* add group migration and deletion on user deletion

* add api method for client to check health of connection

* adjust regex for vanity

* fixes for server and bot

* fixes some string comparison in linq queries

* fixes group leave and sets alias to null

* fix syntax in changeownership

* add better logging, fixes for group leaving

* fixes for group leave

Co-authored-by: Stanley Dimant <root.darkarchon@outlook.com>

MareSynchronosServer/.editorconfig

@@ -0,0 +1,4 @@
+[*.cs]
+
+# MA0048: File name must match type name
+dotnet_diagnostic.MA0048.severity = suggestion