Added basic jest packages and scripts

ref #4

package.json

@@ -9,7 +9,10 @@
     "licenses:export": "license-exporter --markdown",
     "release": "release-it --only-version",
     "translations:sort": "node ./scripts/sort_translations.js",
-    "test:generate_env": "ts-node ./scripts/create_testenv.ts"
+    "test": "jest",
+    "test:generate_env": "ts-node ./scripts/create_testenv.ts",
+    "test:ci": "npm run test:generate_env && npm run test:ci:run",
+    "test:ci:run": "start-server-and-test dev http://localhost:4010/api/docs/openapi.json test"
   },
   "repository": {
     "type": "git",
@@ -58,13 +61,16 @@
   "devDependencies": {
     "@odit/license-exporter": "^0.0.10",
     "@types/express": "^4.17.11",
+    "@types/jest": "^26.0.20",
     "@types/node": "^14.14.22",
     "@types/nodemailer": "^6.4.0",
     "cp-cli": "^2.0.0",
+    "jest": "^26.6.3",
     "nodemon": "^2.0.7",
     "release-it": "^14.2.2",
     "rimraf": "^3.0.2",
     "start-server-and-test": "^1.12.0",
+    "ts-jest": "^26.5.2",
     "ts-node": "^9.1.1",
     "typescript": "^4.1.3"
   },
@@ -81,4 +87,4 @@
       "publish": false
     }
   }
-}
+}