chore: revert bug in APIX manifest.lkml (#1322)

Author: jkaster

packages/extension-api-explorer/manifest.lkml

@@ -2,8 +2,8 @@ project_name: "api-explorer"
 
 application: api-explorer {
   label: "API Explorer"
-  # file: "bundle.js"
-  url: "https://localhost:8080/dist/bundle.js"
+  file: "bundle.js"
+  # url: "https://localhost:8080/dist/bundle.js"
   entitlements: {
      local_storage: yes
      navigation: no