Add Gitea Actions runner docker-compose setup

.gitignore

@@ -16,3 +16,4 @@ build/
 *.jks
 gradlew.bat
 maint/
+runner/.env

runner/.env.example

@@ -0,0 +1,3 @@
+# Gitea Actions Runner Token
+# Get it from: Settings → Actions → Runners on your repo page at git.obahan.xyz
+GITEA_RUNNER_TOKEN=your-token-here

runner/docker-compose.yml

@@ -0,0 +1,13 @@
+services:
+  runner:
+    image: docker.io/gitea/runner:3
+    container_name: wirevpn-runner
+    restart: always
+    environment:
+      GITEA_INSTANCE_URL: "https://git.obahan.xyz"
+      GITEA_RUNNER_REGISTRATION_TOKEN: "${GITEA_RUNNER_TOKEN}"
+      GITEA_RUNNER_NAME: "wirevpn-builder"
+      GITEA_RUNNER_LABELS: "self-hosted"
+    volumes:
+      - ./data:/data
+      - /var/run/docker.sock:/var/run/docker.sock