chore: disable npm publishing

Module content is delivered via git clone in the bmm installer,
not via npm packages. Remove publish.yaml workflow, npm publish
step from manual-release.yaml, and mark package as private.

Author: bmadcode

.github/workflows/manual-release.yaml

@@ -17,7 +17,6 @@ on:
 
 permissions:
   contents: write
-  packages: write
 
 jobs:
   release:
@@ -34,7 +33,6 @@ jobs:
         with:
           node-version-file: ".nvmrc"
           cache: npm
-          registry-url: https://registry.npmjs.org
 
       - name: Install dependencies
         run: npm ci
@@ -153,19 +151,6 @@ jobs:
             echo "📝 Version bump and tag were created successfully."
           fi
 
-      - name: Publish to NPM
-        env:
-          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
-        run: |
-          VERSION="${{ steps.version.outputs.new_version }}"
-          if [[ "$VERSION" == *"alpha"* ]] || [[ "$VERSION" == *"beta"* ]]; then
-            echo "Publishing prerelease version with --tag alpha"
-            npm publish --tag alpha
-          else
-            echo "Publishing stable version with --tag latest"
-            npm publish --tag latest
-          fi
-
       - name: Create GitHub Release
         uses: softprops/action-gh-release@v2
         with:
@@ -181,10 +166,4 @@ jobs:
           echo "## 🎉 Successfully released v${{ steps.version.outputs.new_version }}!" >> $GITHUB_STEP_SUMMARY
           echo "" >> $GITHUB_STEP_SUMMARY
           echo "### 📦 Distribution" >> $GITHUB_STEP_SUMMARY
-          echo "- **NPM**: Published with @latest tag" >> $GITHUB_STEP_SUMMARY
-          echo "- **GitHub Release**: https://github.com/bmad-code-org/bmad-module-creative-intelligence-suite/releases/tag/v${{ steps.version.outputs.new_version }}" >> $GITHUB_STEP_SUMMARY
-          echo "" >> $GITHUB_STEP_SUMMARY
-          echo "### ✅ Installation" >> $GITHUB_STEP_SUMMARY
-          echo "\`\`\`bash" >> $GITHUB_STEP_SUMMARY
-          echo "npx bmad-method@${{ steps.version.outputs.new_version }} install" >> $GITHUB_STEP_SUMMARY
-          echo "\`\`\`" >> $GITHUB_STEP_SUMMARY
+          echo "- **GitHub Release**: https://github.com/bmad-code-org/bmad-module-game-dev-studio/releases/tag/v${{ steps.version.outputs.new_version }}" >> $GITHUB_STEP_SUMMARY

.github/workflows/publish.yaml

@@ -1,6 +1,7 @@
 {
   "$schema": "https://json.schemastore.org/package.json",
   "name": "bmad-game-dev-studio",
+  "private": true,
   "version": "0.2.2",
   "description": "A BMad MEthod Core Module that offers a substantial stand alone module for Game Development across multiple supported platforms",
   "keywords": [