add publish workflow

.forgejo/workflows/publish.yml

@@ -0,0 +1,42 @@
+name: Publish to CoastalCommits and Modrinth
+on:
+  push:
+    tags:
+      - '*'
+
+jobs:
+  Build and Publish:
+    runs-on: docker
+    container: catthehacker/ubuntu:act-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Set up Go
+        uses: actions/go@v2
+        with:
+          go-version: '>=1.20.1'
+
+      - name: ZIP the datapack
+        run: |
+          zip -r BetterCombatCompat.zip data pack.mcmeta pack.png LICENSE README.md
+
+      - name: Release to CoastalCommits
+        uses: actions/upload-artifact@v3
+        with:
+          name: BetterCombatCompat
+          files: |-
+            BetterCombatCompat.zip
+
+      - name: Publish to Modrinth
+        uses: actions/modrinth-publish-action@v1
+        with:
+          token: ${{ secrets.MODRINTH_STAGING_RELEASE_TOKEN }}
+          project: ${{ vars.MODRINTH_PROJECT_ID }}
+          changelog: ${{ github.event.head_commit.message }}
+          loaders: 'datapack'
+          file: BetterCombatCompat.zip
+          dependencies: [{'project_id': `5sy6g3kz`, 'dependency_type': 'required'}]
+          api-domain: 'staging-api.modrinth.com'