feat(profile): add appearance preferences page

Add a profile appearance section for theme, page width, and zoom preferences.
Move changelog access into the sidebar and bump the Coolify version to 4.1.2.

versions.json

@@ -1,7 +1,7 @@
 {
     "coolify": {
         "v4": {
-            "version": "4.1.1"
+            "version": "4.1.2"
         },
         "nightly": {
             "version": "4.2.0"