Add initial drone ci file

.drone.yml

@@ -0,0 +1,99 @@
+kind: pipeline
+type: docker
+name: push-master
+
+trigger:
+  event:
+    - push
+  branch:
+    - master
+
+steps:
+  - name: docker-build-push
+    image: plugins/docker
+    privileged: true
+    settings:
+      registry: git.itzana.me
+      repo: ${DRONE_REPO}
+      username:
+        from_secret: GITEA_USERNAME
+      password:
+        from_secret: GITEA_TOKEN
+      dockerfile: Dockerfile
+      context: .
+      tags:
+        - master
+        - latest
+        - ${DRONE_COMMIT_SHA}
+    when:
+      event:
+        - push
+      branch:
+        - master
+
+---
+kind: pipeline
+type: docker
+name: release-tag
+
+trigger:
+  event:
+    - tag
+  ref:
+    - refs/tags/v[0-9]+.[0-9]+.[0-9]+*
+    - refs/tags/[0-9]+.[0-9]+.[0-9]+*
+
+steps:
+  - name: docker-build-push
+    image: plugins/docker
+    privileged: true
+    settings:
+      registry: git.itzana.me
+      repo: ${DRONE_REPO}
+      username:
+        from_secret: GITEA_USERNAME
+      password:
+        from_secret: GITEA_TOKEN
+      dockerfile: Dockerfile
+      context: .
+      tags:
+        - ${DRONE_TAG}
+
+  - name: helm-package-and-push
+    image: alpine/helm:3.14.4
+    environment:
+      GITEA_USERNAME:
+        from_secret: GITEA_USERNAME
+      GITEA_TOKEN:
+        from_secret: GITEA_TOKEN
+      CHART_DIR: charts/telegram-scam-baiter
+    commands:
+      - apk add --no-cache bash coreutils git curl
+      - helm plugin install https://github.com/chartmuseum/helm-push
+
+      # Compute semver (strip leading "v" if present)
+      - |
+        TAG="${DRONE_TAG}"
+        if echo "$TAG" | grep -qE '^v[0-9]'; then
+          VERSION="${TAG#v}"
+        else
+          VERSION="${TAG}"
+        fi
+        echo "Using version: $VERSION"
+
+      # Package the chart with version/appVersion = git tag (sans 'v')
+      - helm package "$CHART_DIR" \
+          --version "${VERSION}" \
+          --app-version "${VERSION}"
+
+      # Add the Gitea Helm repo with basic auth (stored in Helm config)
+      - helm repo add "${DRONE_REPO_NAME}" "https://git.itzana.me/api/packages/${DRONE_REPO_OWNER}/helm" \
+          --username "${GITEA_USERNAME}" \
+          --password "${GITEA_TOKEN}"
+
+      # Push the packaged chart to Gitea (ChartMuseum API-compatible)
+      - helm cm-push "telegram-scam-baiter-${VERSION}.tgz" "${DRONE_REPO_NAME}"
+
+    when:
+      event:
+        - tag