Add jest and puppeteer for testing

package.json

@@ -9,7 +9,9 @@
     "build": "ng build",
     "test": "ng test",
     "lint": "ng lint",
-    "e2e": "ng e2e"
+    "e2e": "ng e2e",
+    "nice": "node server.js",
+    "jest": "jest --runInBand"
   },
   "private": true,
   "dependencies": {
@@ -52,6 +54,8 @@
     "@logisticinfotech/ionic4-datepicker": "^1.4.4",
     "@ng-bootstrap/ng-bootstrap": "^9.1.2",
     "@ngx-translate/core": "^13.0.0",
+    "@types/jest-environment-puppeteer": "^4.4.1",
+    "@types/puppeteer": "^5.4.4",
     "angular-calendar": "^0.28.22",
     "angular-tag-cloud-module": "^5.2.2",
     "bootstrap": "^4.5.0",
@@ -65,19 +69,24 @@
     "crypto-js": "^4.0.0",
     "date-fns": "^2.17.0",
     "depd": "^2.0.0",
+    "global": "^4.4.0",
+    "http-server": "^0.12.3",
     "ibm-mfp-web-push": "^8.0.2020052213",
     "ibm-mfp-web-sdk": "^8.0.2021021706",
     "ionic-angular": "^3.9.10",
     "ionic-selectable": "^4.7.1",
     "ionic2-alpha-scroll": "^2.0.1",
     "ionic2-calendar": "^0.6.6",
+    "jest-puppeteer": "^5.0.4",
     "jetifier": "^1.6.6",
     "moment": "^2.29.1",
     "ngx-socket-io": "^3.2.0",
+    "puppeteer": "^10.1.0",
     "rxjs": "~6.6.3",
     "rxjs-compat": "^6.6.7",
     "sharp": "^0.25.4",
     "socket.io-client": "^2.3.0",
+    "ts-jest": "^27.0.3",
     "tslib": "^2.0.0",
     "uuidv4": "^6.2.11",
     "wordcloud": "^1.1.2",
@@ -94,6 +103,7 @@
     "@ionic/lab": "3.1.7",
     "@types/jasmine": "~3.6.0",
     "@types/jasminewd2": "~2.0.3",
+    "@types/jest": "^26.0.24",
     "@types/node": "^12.11.1",
     "codelyzer": "^6.0.0",
     "cordova-android": "^9.1.0",
@@ -117,12 +127,15 @@
     "cordova-plugin-whitelist": "^1.3.4",
     "jasmine-core": "~3.6.0",
     "jasmine-spec-reporter": "~5.0.0",
+    "jest": "^27.0.6",
+    "jest-preset-angular": "^9.0.4",
     "karma": "~5.0.0",
     "karma-chrome-launcher": "~3.1.0",
     "karma-coverage-istanbul-reporter": "~3.0.2",
     "karma-jasmine": "~4.0.0",
     "karma-jasmine-html-reporter": "^1.5.0",
     "protractor": "~7.0.0",
+    "ts-jest-puppeteer": "0.0.5",
     "ts-node": "~8.3.0",
     "tslint": "~6.1.0",
     "typescript": "^4.1.5"