Initial commit: migrate opensourcerisk.org to GitHub Pages

- Static export from Simply Static WordPress plugin
- Added .nojekyll to bypass Jekyll processing
- Added CNAME for www.opensourcerisk.org custom domain
- Added GitHub Actions deploy workflow (deploys on push to main)
- Fixed absolute opensourcerisk.org URLs to relative paths in 5 HTML files

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: Anil Kommareddi

.github/workflows/deploy.yml

@@ -0,0 +1,37 @@
+name: Deploy to GitHub Pages
+
+on:
+  push:
+    branches:
+      - main
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: pages
+  cancel-in-progress: false
+
+jobs:
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Pages
+        uses: actions/configure-pages@v5
+
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: '.'
+
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4

.gitignore

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+# macOS
+.DS_Store
+
+# Original export (source, not needed in the deployed repo)
+old-site-export/

.nojekyll

@@ -0,0 +1 @@
+www.opensourcerisk.org