added a testing workflow

.gitea/workflows/test.yaml

@@ -0,0 +1,29 @@
+name: Test
+on:
+  push:
+  pull_request:
+
+jobs:
+  Prism Launcher:
+    runs-on: docker
+    container: www.coastalcommits.com/galacticfactory/documentation:latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Copy export files
+        run: |
+          mkdir -vp /test/.minecraft
+          cp -vrT ./build/prism /test/
+          cp -v ./unsup.ini /test/.minecraft/
+
+      - name: ZIP export files
+        run: |
+          cd /test
+          zip -r GalacticFactory.zip ./
+
+      - name: Check Prism Launcher version
+        run: primslauncher --version --alive
+
+      - name: Import instance
+        run: prismlauncher --import /test/GalacticFactory.zip