fix(rules): update webui rules manifest path from webmanifest to json

- Changed the path for the manifest from /manifest.webmanifest to /manifest.json in both webui_dev.yml and webui.yml.

internal/route/rules/presets/webui.yml

@@ -13,7 +13,7 @@
     !path regex("\/assets\/workbox-window\.prod\.es5-[a-zA-Z0-9]+\.js")
     !path regex("/workbox-[a-zA-Z0-9]+\.js")
     !path /api/v1/version
-    !path /manifest.webmanifest
+    !path /manifest.json
     !path /sw.js
     !path /registerSW.js
   do: require_auth

internal/route/rules/presets/webui_dev.yml

@@ -14,7 +14,7 @@
     !path glob("/auth/*")
     !path regex("([A-Za-z0-9_\-/]+)+\.(css|ts|js|mjs|svg|png|jpg|jpeg|gif|ico|webp|woff2?|eot|ttf|otf|txt)(\?.*)?")
     !path /api/v1/version
-    !path /manifest.webmanifest
+    !path /manifest.json
   do: require_auth
 - name: proxy to backend
   on: path glob("/api/v1/*")