Update theming, rebuild app from existing angular project

angular.json

@@ -18,7 +18,8 @@
             "outputPath": "dist/proto-creator",
             "index": "src/index.html",
             "browser": "src/main.ts",
-            "polyfills": ["zone.js"],
+            "polyfills": [
+            ],
             "tsConfig": "tsconfig.app.json",
             "assets": ["src/assets"]
           },
@@ -60,6 +61,28 @@
             }
           },
           "defaultConfiguration": "development"
+        },
+        "extract-i18n": {
+          "builder": "@angular-devkit/build-angular:extract-i18n"
+        },
+        "test": {
+          "builder": "@angular-devkit/build-angular:karma",
+          "options": {
+            "polyfills": [
+            ],
+            "tsConfig": "tsconfig.spec.json",
+            "inlineStyleLanguage": "scss",
+            "assets": [
+              {
+                "glob": "**/*",
+                "input": "public"
+              }
+            ],
+            "styles": [
+              "src/styles.scss"
+            ],
+            "scripts": []
+          }
         }
       }
     }