Implement npm version check pipeline (#130)

* Implement npm version check pipeline

* Dummy commit to [skip ci]

.github/workflows/check-npm-version.yml

@@ -0,0 +1,24 @@
+name: Check if package.json version is updated
+
+on:
+  pull_request:
+    branches:
+      - master
+jobs:
+  start:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Check if version has been updated
+        id: check
+        uses: EndBug/[email protected]
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          file-name: ./package.json
+      - name: Log when changed
+        if: steps.check.outputs.changed == 'true'
+        run: 'echo "Yayy!! Version change found in commit ${{ steps.check.outputs.commit }}! New version: ${{ steps.check.outputs.version }} (${{ steps.check.outputs.type }})"'
+      - name: Log when unchanged
+        if: steps.check.outputs.changed == 'false'
+        run: echo "No version change :/ Please update version in package.json!" && exit 1