Publish core (#1377)

* Updated Lit to 2.2.7

* Chore: Added package-lock

* Updated pcakge-lock

* Chore: removed open-scd class from core

* Removed generated files

* Added Release-please

* Update package.json

Chore: Removed open-scd from exports list in Core

* Update de.xlf

Fix: Updated german translation

* Update release-please.yml

Core should be run only

.github/workflows/release-please.yml

@@ -0,0 +1,34 @@
+on:
+  push:
+    branches:
+      - main
+
+name: release-please
+jobs:
+  release-please:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: google-github-actions/release-please-action@v3
+        id: release
+        with:
+          command: manifest
+          token: ${{ secrets.GITHUB_TOKEN }}
+      # The logic below handles the npm publication:
+      - uses: actions/checkout@v2
+        if: ${{ steps.release.outputs.release_created }}
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 18
+          registry-url: 'https://registry.npmjs.org'
+        if: ${{ steps.release.outputs.release_created }}
+      - run: npm ci
+        if: ${{ steps.release.outputs.release_created }}
+      - run: cd packages/core && npm run build
+        if: ${{ steps.release.outputs.release_created }}
+      - run: cd packages/core && npm publish --access public
+        env:
+          NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}
+        if: ${{ steps.release.outputs.release_created }}
+      - run: |
+          git config user.name "GitHubActions"
+          git config user.email "<[email protected]>"