Customisation of default profile tab, clean up settings (#156)

Co-authored-by: FloatingGhost <hannah@coffee-and-dreams.uk>
Reviewed-on: https://akkoma.dev/AkkomaGang/pleroma-fe/pulls/156

src/modules/config.js

@@ -116,7 +116,8 @@ export const defaultState = {
   conversationTreeFadeAncestors: undefined, // instance default
   maxDepthInThread: undefined, // instance default
   translationLanguage: undefined, // instance default,
-  supportedTranslationLanguages: {} // instance default
+  supportedTranslationLanguages: {}, // instance default
+  userProfileDefaultTab: 'statuses'
 }
 
 // caching the instance default properties