GHA: Package demo project

.github/workflows/all_builds.yml

@@ -100,3 +100,10 @@ jobs:
       godot-cpp-treeish: ${{ inputs.godot-cpp-treeish }}
       limboai-treeish: ${{ needs.cache-sha.outputs.limboai-sha }}
       test-build: false
+
+  demo:
+    name: 🎮️ Demo project
+    needs: cache-sha
+    uses: ./.github/workflows/demo.yml
+    with:
+      limboai-treeish: ${{ needs.cache-sha.outputs.limboai-sha }}

.github/workflows/demo.yml

@@ -0,0 +1,40 @@
+name: 🎮️ Demo project
+on:
+  workflow_call:
+    inputs:
+      limboai-treeish:
+        description: A tag, branch or commit hash in the LimboAI repository.
+        type: string
+        default: master
+
+  workflow_dispatch:
+    inputs:
+      limboai-treeish:
+        description: A tag, branch or commit hash in the LimboAI repository.
+        type: string
+        default: master
+
+jobs:
+  package-demo:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Clone LimboAI module
+        uses: actions/checkout@v4
+        with:
+          fetch-tags: true
+          ref: ${{ inputs.limboai-treeish }}
+
+      - name: Prepare artifact
+        shell: bash
+        run: |
+          echo "LIMBOAI_VERSION=$( (git describe --tags --exact-match HEAD || git rev-parse --short HEAD) | sed 's/\(.*\)-\(.*\)/\1.\2/g' )" >> "$GITHUB_ENV"
+          cp {README,LICENSE}.md demo/
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v3
+        env:
+          NAME: limboai+${{env.LIMBOAI_VERSION}}.demo-project
+        with:
+          name: ${{ env.NAME }}
+          path: demo/*