add angular cache to gitignore, no analytics in cli

Author: codingpaula

.gitignore

@@ -40,6 +40,7 @@ npm-debug.log
 yarn-error.log
 testem.log
 /typings
+.angular/
 
 # System Files
 .DS_Store

angular.json

@@ -126,5 +126,8 @@
         }
       }
     }
+  },
+  "cli": {
+    "analytics": false
   }
 }