feat: Add Obsidian configuration files and set up GitHub Pages deployment workflow.

Author: j031

.github/workflows/pages.yml

@@ -27,18 +27,18 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           submodules: false
       - name: Setup Pages
-        uses: actions/configure-pages@v4
+        uses: actions/configure-pages@v5
       - name: Build with Jekyll
         uses: actions/jekyll-build-pages@v1
         with:
           source: ./docs
           destination: ./_site
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@v4
 
   # Deployment job
   deploy: