Added publish workflow

.github/workflows/publish.yaml

@@ -0,0 +1,37 @@
+# This file represents 1 workflow. A workflow has multiple jobs. A job has multiple tasks.
+name: Publish PDF
+
+# This workflow runs every push
+on: push
+
+# If you'd like it only to run on certain branches:
+# on:
+#   push:
+#     branches: [main, dev]
+#   pull_request:
+#     branches: [staging, prod]
+
+# Jobs are run in parallel
+jobs:
+  # This is our one and only job
+  test:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+      - name: Extract branch name
+        shell: bash
+        run: echo "branch=${GITHUB_HEAD_REF:-${GITHUB_REF#refs/heads/}}" >> $GITHUB_OUTPUT
+        id: extract_branch
+      - name: Tectonic Publish
+        uses: wtfjoke/setup-tectonic@v3
+        run: tectonic main.tex
+      - name: Rename PDF
+        run: mv main.pdf ${{ steps.extract_branch.outputs.branch }}.pdf
+      - name: Upload
+        uses: VAllens/gitea-publish-generic-packages@v1
+        env:
+          NODE_OPTIONS: '--experimental-fetch' # if nodejs < 18
+        with:
+          files: |-
+            ${{ steps.extract_branch.outputs.branch }}.pdf
+