Fix prettifier/lint issues (#2066)

* Add glitch-soc locale files to prettierignore

* Run prettier on theme.yml

* Add glitch-soc emoji_map.json to .prettierignore

* Run prettier on config/i18n-tasks.yml

app/javascript/flavours/vanilla/theme.yml

@@ -12,10 +12,10 @@ pack:
   home:
     filename: application.js
     preload:
-    - features/getting_started
-    - features/compose
-    - features/home_timeline
-    - features/notifications
+      - features/getting_started
+      - features/compose
+      - features/home_timeline
+      - features/notifications
   mailer:
   modal:
   public: public.js