update README and delete ci for release building

.github/workflows/build-release.yml

@@ -1,32 +0,0 @@
-name: Pack Drupal module
-
-on:
-  push:
-    tags:
-      - 'v*'
-  workflow_dispatch: {}
-
-jobs:
-  pack:
-    runs-on: ubuntu-latest
-    permissions:
-      contents: write
-
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v6
-
-      - name: Setup Node
-        uses: actions/setup-node@v6
-        with:
-          node-version: '24'
-
-      - name: Pack module zip
-        run: node scripts/pack-drupal-module.js
-
-      - name: Create release
-        uses: softprops/action-gh-release@v2
-        with:
-          tag_name: ${{ github.ref_name }}
-          name: Release ${{ github.ref_name }}
-          files: ./dfg_3dviewer-drupal.zip