Added build CI

.github/workflows/build-site.yml

@@ -0,0 +1,31 @@
+name: build github pages
+
+on:
+  push:
+    branches:
+      - master  # Set a branch to deploy
+
+jobs:
+  deploy:
+    runs-on: ubuntu-18.04
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: true  # Fetch Hugo themes (true OR recursive)
+          fetch-depth: 0    # Fetch all history for .GitInfo and .Lastmod
+
+      - name: Setup Hugo
+        uses: peaceiris/actions-hugo@v2
+        with:
+          hugo-version: '0.83.1'
+          extended: true
+
+      - name: Build
+        run: hugo --minify
+
+      - name: Deploy
+        uses: peaceiris/actions-gh-pages@v3
+        if: github.ref == 'refs/heads/master'
+        with:
+          github_token: ${{ secrets.GH_TOKEN }}
+          publish_dir: ./public

theme.toml

@@ -5,7 +5,7 @@ description = "A minimalist blog theme using Tufte-css."
 homepage = "http://github.com/shawnohare/hugo-tufte"
 tags = ["blog", "tufte", "minimal"]
 features = ["math", "tufte-css", "tufte"]
-min_version = 0.85
+min_version = 0.84
 
 authors = [
   {name = "Shawn O'Hare", homepage = "http://www.shawnohare.com"},