Test Cases (#70)

* Create general.md

* Rename general.md to TCgeneral.md

* Create TCaccountmanager.md

* Create TCtabsAndSplits.md

* Create TCchatting.md

* Create TCemotes.md

* Create TCchannelNavigation.md

* Create TCusernameTabbing.md

* Create TChighlighting.md

* Create TCappearanceSettings.md

* Create TCchatWindowNavigation.md

* Create TCchatterinoFeatures.md

docs/tests/TCusernameTabbing.md

@@ -0,0 +1,4 @@
+1. tab username
+2. test "prioritize username over emotes" setting
+3. enable localized name tabbing
+4. enable @ for mentions