add CI files to build & release

.woodpecker/build.yml

@@ -0,0 +1,11 @@
+when:
+  - event: [push, pull_request]
+    branch: [main, master]
+
+steps:
+  build:
+    image: golang:1.26-alpine3.23
+    commands:
+      - go mod download
+      - CGO_ENABLED=0 go build -ldflags="-s -w" -trimpath -o /dev/null ./...
+      - echo "Build successful"

.woodpecker/release.yml

@@ -0,0 +1,24 @@
+when:
+  - event: tag
+
+steps:
+  build:
+    image: golang:1.26-alpine3.23
+    commands:
+      - go mod download
+      - CGO_ENABLED=0 go build -ldflags="-s -w" -trimpath -o qbittorrent-sentinel
+
+  publish:
+    image: alpine:3.23
+    commands:
+      - apk add --no-cache curl
+      - |
+        echo "Uploading qbittorrent-sentinel..."
+        curl -sS -X POST \
+          -H "Authorization: token $GITEA_RELEASE_TOKEN" \
+          -H "Content-Type: application/octet-stream" \
+          --data-binary "@qbittorrent-sentinel" \
+          "https://git.sbstp.ca/api/v1/repos/${CI_REPO}/releases/tags/${CI_COMMIT_TAG}/assets?name=qbittorrent-sentinel"
+    environment:
+      GITEA_RELEASE_TOKEN:
+        from_secret: gitea_release_token