feat: add Woodpecker CI pipelines from CLI

Co-Authored-By: Virgil <virgil@lethean.io>

.woodpecker/bugseti.yml

@@ -0,0 +1,52 @@
+when:
+  - event: tag
+    ref: "refs/tags/bugseti-v*"
+  - event: push
+    branch: main
+    path: "cmd/bugseti/**"
+
+steps:
+  - name: frontend
+    image: node:22-bookworm
+    commands:
+      - cd cmd/bugseti/frontend
+      - npm ci --prefer-offline
+      - npm run build
+
+  - name: build-linux
+    image: golang:1.25-bookworm
+    environment:
+      CGO_ENABLED: "1"
+      GOOS: linux
+      GOARCH: amd64
+    commands:
+      - apt-get update -qq && apt-get install -y -qq libgtk-3-dev libwebkit2gtk-4.1-dev > /dev/null 2>&1
+      - cd cmd/bugseti
+      - go build -tags production -trimpath -buildvcs=false -ldflags="-w -s" -o ../../bin/bugseti
+    depends_on: [frontend]
+
+  - name: package
+    image: alpine:3.21
+    commands:
+      - cd bin
+      - tar czf bugseti-linux-amd64.tar.gz bugseti
+      - sha256sum bugseti-linux-amd64.tar.gz > bugseti-linux-amd64.tar.gz.sha256
+      - echo "=== Package ==="
+      - ls -lh bugseti-linux-amd64.*
+      - cat bugseti-linux-amd64.tar.gz.sha256
+    depends_on: [build-linux]
+
+  - name: release
+    image: plugins/gitea-release
+    settings:
+      api_key:
+        from_secret: forgejo_token
+      base_url: https://forge.lthn.io
+      files:
+        - bin/bugseti-linux-amd64.tar.gz
+        - bin/bugseti-linux-amd64.tar.gz.sha256
+      title: ${CI_COMMIT_TAG}
+      note: "BugSETI ${CI_COMMIT_TAG} — Linux amd64 build"
+    when:
+      - event: tag
+    depends_on: [package]

.woodpecker/core.yml

@@ -0,0 +1,21 @@
+when:
+  - event: [push, pull_request, manual]
+
+steps:
+  - name: build
+    image: golang:1.25-bookworm
+    commands:
+      - go version
+      - go mod download
+      - >-
+        go build
+        -ldflags "-X forge.lthn.ai/core/cli/pkg/cli.AppVersion=ci
+        -X forge.lthn.ai/core/cli/pkg/cli.BuildCommit=${CI_COMMIT_SHA:0:7}
+        -X forge.lthn.ai/core/cli/pkg/cli.BuildDate=$(date -u +%Y%m%d)"
+        -o ./bin/core .
+      - ./bin/core --version
+
+  - name: test
+    image: golang:1.25-bookworm
+    commands:
+      - go test -short -count=1 -timeout 120s ./...