update node to >14.x & add notification entity and service in index.js

Author: v-rudkovskiy

.github/workflows/netlicensing-js-ci.yml

@@ -9,7 +9,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [14.x, 16.x]
+        node-version: [14.x, 16.x, 18.x]
 
     steps:
     - uses: actions/checkout@v3

.github/workflows/netlicensing-js-release.yml

@@ -11,7 +11,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: 12
+          node-version: 14
       - run: npm ci
       - run: npm test
 
@@ -22,7 +22,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: 12
+          node-version: 14
           registry-url: https://registry.npmjs.org/
       - run: npm ci
       - run: npm publish