Add Woodpecker CI pipeline to build and release on tag

.woodpecker.yaml

@@ -0,0 +1,25 @@
+when:
+  - event: release
+
+steps:
+  - name: test
+    image: golang:latest
+    commands:
+      - go test ./...
+
+  - name: build
+    image: golang:latest
+    commands:
+      - VERSION=${CI_COMMIT_TAG}
+      - go build -ldflags="-s -w -X main.version=${VERSION}" -o node-lookup ./...
+    depends_on: [test]
+
+  - name: release
+    image: woodpeckerci/plugin-gitea-release
+    settings:
+      api_key:
+        from_secret: GITEA_TOKEN
+      base_url: https://git.unkin.net
+      files: node-lookup
+      title: ${CI_COMMIT_TAG}
+    depends_on: [build]