chore(dart): redirect to webdev/angular

Author: chalin

firebase.json

@@ -1,15 +1,54 @@
 {
   "hosting": {
     "public": "www",
-    "rewrites": [
+    "redirects": [
+      {
+        "source": "/docs/dart/latest/quickstart.html",
+        "destination": "https://webdev.dartlang.org/angular/quickstart?utm_campaign=dart_migration&utm_medium=redirect&utm_source=angular.io",
+        "type": 301
+      },
       {
-        "source": "/docs/dart/latest/testing",
-        "destination": "/docs/dart/latest/guide/testing.html"
+        "source": "/docs/dart/latest/tutorial/toh-pt5.html",
+        "destination": "https://webdev.dartlang.org/angular/tutorial/toh-pt5?utm_campaign=dart_migration&utm_medium=redirect&utm_source=angular.io",
+        "type": 301
       },
       {
         "source": "/docs/dart/latest/tutorial",
-        "destination": "/docs/dart/latest/index.html"
+        "destination": "https://webdev.dartlang.org/angular/tutorial?utm_campaign=dart_migration&utm_medium=redirect&utm_source=angular.io",
+        "type": 301
+      },
+      {
+        "source": "/docs/dart/latest/tutorial/**",
+        "destination": "https://webdev.dartlang.org/angular/tutorial?utm_campaign=dart_migration&utm_medium=redirect&utm_source=angular.io",
+        "type": 301
       },
+      {
+        "source": "/docs/dart/latest/api",
+        "destination": "https://webdev.dartlang.org/angular/api?utm_campaign=dart_migration&utm_medium=redirect&utm_source=angular.io",
+        "type": 301
+      },
+      {
+        "source": "/docs/dart/latest/api/**",
+        "destination": "https://webdev.dartlang.org/angular/api?utm_campaign=dart_migration&utm_medium=redirect&utm_source=angular.io",
+        "type": 301
+      },
+      {
+        "source": "/docs/dart/latest/guide/**",
+        "destination": "https://webdev.dartlang.org/angular/guide?utm_campaign=dart_migration&utm_medium=redirect&utm_source=angular.io",
+        "type": 301
+      },
+      {
+        "source": "/**/dart",
+        "destination": "https://webdev.dartlang.org/angular?utm_campaign=dart_migration&utm_medium=redirect&utm_source=angular.io",
+        "type": 301
+      },
+      {
+        "source": "/**/dart/**",
+        "destination": "https://webdev.dartlang.org/angular?utm_campaign=dart_migration&utm_medium=redirect&utm_source=angular.io",
+        "type": 301
+      }
+    ],
+    "rewrites": [
       {
         "source": "/docs/js/latest/testing",
         "destination": "/docs/js/latest/guide/testing.html"
@@ -58,10 +97,6 @@
         "source": "/survey",
         "destination": "/survey.html"
       },
-      {
-        "source": "/dart",
-        "destination": "/docs/dart/latest/index.html"
-      },
       {
         "source": "/styleguide",
         "destination": "/docs/ts/latest/guide/style-guide.html"