Add github actions for deploying the website

.github/workflows/publish.yml

@@ -0,0 +1,22 @@
+name: Publish
+on:
+  push:
+    branches: [source]
+
+jobs:
+  publish:
+    name: Publish website
+    on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+      - name: Install dependencies
+        run: |
+          pip install -U pip poetry
+          poetry install
+      - name: Build
+        run: mkdocs build
+      - name: Publish
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: "site"

mkdocs.yml

@@ -1,5 +1,6 @@
 site_name: Bryan Tan's Website
-remote_branch: site
+remote_branch: source
+site_url: https://technius.net
 nav:
   - Home: index.md
   - Research: research.md