Added auto-tagging workflow

.github/workflows/auto-tag.yml

@@ -0,0 +1,40 @@
+name: auto-tag
+
+on:
+  push:
+  schedule:
+    - cron: '30 3 * * *'
+
+jobs:
+  create-tag:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get -y install cmake g++ gcc
+
+      - name: Set environment
+        run: |
+          cmake --fresh -B build -S .
+          echo "NEW_TAG=v$(cat build/version)" >> $GITHUB_ENV
+
+      - name: Check if package version has corresponding git tag
+        id: tagged
+        shell: bash
+        run: |
+          git show-ref \
+            --tags --verify --quiet -- \
+            "refs/tags/${NEW_TAG}" \
+          && echo tagged=1 >> $GITHUB_OUTPUT \
+          || echo tagged=0 >> $GITHUB_OUTPUT
+
+      - name: Create new tag
+        if: steps.tagged.outputs.tagged == 0
+        run: |
+          git tag ${NEW_TAG} \
+          && git push origin ${NEW_TAG}) \
+          || exit 0