build action

.github/workflows/build.yml

@@ -0,0 +1,28 @@
+on:
+  push:
+  pull_request:
+  workflow_run:
+
+name: Build and deploy
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Download Tectonic
+        run:
+          wget "https://github.com/tectonic-typesetting/tectonic/releases/download/tectonic%400.15.0/tectonic-0.15.0-x86_64-unknown-linux-musl.tar.gz" &&
+          tar -xf "tectonic-0.15.0-x86_64-unknown-linux-musl.tar.gz"
+
+      - name: Build LaTeX handouts
+        run: bash build.sh
+
+      - uses: actions/upload-artifact@v3
+        with:
+          name: output
+          path: "output/*"
+          retention-days: 10