Add release workflow

.woodpecker/release.yml

@@ -0,0 +1,34 @@
+pipeline:
+
+  prep-release:
+    image: alpine:latest
+    commands:
+      - mkdir -p modAchievementStatTrak
+      - mv content/ modAchievementStatTrak/
+      - apk update
+      - apk add zip -y
+      - zip -r modAchievementStatTrak.zip modAchievementStatTrak/
+    when:
+      event: tag
+
+  release-stable:
+    image: plugins/github-release
+    settings:
+      api_key:
+        from_secret: github_token
+      files: "*.zip"
+      draft: true
+    when:
+      tag: *a
+
+  release-beta:
+    image: plugins/github-release
+    settings:
+      api_key:
+        from_secret: github_token
+      files: "*.zip"
+      draft: true
+      prerelease: true
+    when:
+      tag:
+        exclude: [ *a ]