update to angular & angular material 12

Author: 4drianMatei

frontend/angular.json

@@ -23,11 +23,19 @@
             ],
             "styles": [
               "src/styles.scss",
-               "./node_modules/highlight.js/styles/dracula.css",
+              "./node_modules/highlight.js/styles/dracula.css",
               "./node_modules/izitoast/dist/css/iziToast.min.css"
               // "./node_modules/highlight.js/styles/github.css"
             ],
-            "scripts": []
+            "scripts": [
+            ],
+            "aot": false,
+            "vendorChunk": true,
+            "extractLicenses": false,
+            "buildOptimizer": false,
+            "sourceMap": true,
+            "optimization": false,
+            "namedChunks": true
           },
           "configurations": {
             "production": {
@@ -40,7 +48,6 @@
               "optimization": true,
               "outputHashing": "all",
               "sourceMap": false,
-              "extractCss": true,
               "namedChunks": false,
               "aot": true,
               "extractLicenses": true,
@@ -70,7 +77,8 @@
                 }
               ]
             }
-          }
+          },
+          "defaultConfiguration": ""
         },
         "serve": {
           "builder": "@angular-devkit/build-angular:dev-server",