Add a workflow

Author: tpadioleau

.github/workflows/draft-pdf.yaml

@@ -0,0 +1,38 @@
+# Copyright (C) The DDC development team, see COPYRIGHT.md file
+#
+# SPDX-License-Identifier: MIT
+
+---
+name: Draft PDF
+
+# yamllint disable-line rule:truthy
+on:
+  push:
+    paths:
+      - '.github/workflows/draft-pdf.yaml'
+      - paper/**
+
+permissions:
+  contents: read
+
+jobs:
+  paper:
+    name: Paper Draft
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
+      - name: Build draft PDF
+        uses: openjournals/openjournals-draft-action@85a18372e48f551d8af9ddb7a747de685fbbb01c  # v1.0.0
+        with:
+          journal: joss
+          # This should be the path to the paper within your repo.
+          paper-path: paper/paper.md
+      - name: Upload
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02  # v4.6.2
+        with:
+          name: paper
+          # This is the output path where Pandoc will write the compiled
+          # PDF. Note, this should be the same directory as the input
+          # paper.md
+          path: paper/paper.pdf