fix(lib): upgraded angular to v12

Author: AnthonyNahas

angular.json

@@ -22,7 +22,6 @@
             "main": "src/main.ts",
             "polyfills": "src/polyfills.ts",
             "tsConfig": "tsconfig.app.json",
-            "aot": true,
             "assets": [
               "src/favicon.ico",
               "src/assets"
@@ -35,7 +34,13 @@
             "scripts": [
               "./node_modules/prismjs/prism.js",
               "./node_modules/prismjs/components/prism-typescript.min.js"
-            ]
+            ],
+            "vendorChunk": true,
+            "extractLicenses": false,
+            "buildOptimizer": false,
+            "sourceMap": true,
+            "optimization": false,
+            "namedChunks": true
           },
           "configurations": {
             "production": {
@@ -66,7 +71,8 @@
                 }
               ]
             }
-          }
+          },
+          "defaultConfiguration": ""
         },
         "build_ghpages": {
           "builder": "@angular-devkit/build-angular:browser",
@@ -78,7 +84,6 @@
             "main": "src/main.ts",
             "polyfills": "src/polyfills.ts",
             "tsConfig": "tsconfig.app.json",
-            "aot": true,
             "assets": [
               "src/favicon.ico",
               "src/assets"
@@ -91,7 +96,13 @@
             "scripts": [
               "./node_modules/prismjs/prism.js",
               "./node_modules/prismjs/components/prism-typescript.min.js"
-            ]
+            ],
+            "vendorChunk": true,
+            "extractLicenses": false,
+            "buildOptimizer": false,
+            "sourceMap": true,
+            "optimization": false,
+            "namedChunks": true
           },
           "configurations": {
             "production": {
@@ -122,7 +133,8 @@
                 }
               ]
             }
-          }
+          },
+          "defaultConfiguration": ""
         },
         "serve": {
           "builder": "@angular-devkit/build-angular:dev-server",
@@ -193,7 +205,9 @@
           "options": {
             "outputPath": "dist/server",
             "main": "server.ts",
-            "tsConfig": "tsconfig.server.json"
+            "tsConfig": "tsconfig.server.json",
+            "sourceMap": true,
+            "optimization": false
           },
           "configurations": {
             "production": {
@@ -206,7 +220,8 @@
               "sourceMap": false,
               "optimization": true
             }
-          }
+          },
+          "defaultConfiguration": ""
         },
         "deploy": {
           "builder": "angular-cli-ghpages:deploy",