chore: add actions

add main file

.github/workflows/typst.yml

@@ -0,0 +1,29 @@
+name: Build Typst document
+on: [push, workflow_dispatch]
+permissions:
+  contents: write
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Typst
+        uses: lvignoli/typst-action@main
+        with:
+          source_file: |
+            main.typ
+      - name: Upload PDF file
+        uses: actions/upload-artifact@v3
+        with:
+          name: PDF
+          path: "*.pdf"
+      - name: Get current date
+        id: date
+        run: echo "DATE=$(date +%Y-%m-%d-%H:%M)" >> $GITHUB_ENV
+      - name: Release
+        uses: softprops/action-gh-release@v1
+        if: github.ref_type == 'tag'
+        with:
+          name: "${{ github.ref_name }} — ${{ env.DATE }}"
+          files: main.pdf