implement ota updates

docker-compose.yml

@@ -46,6 +46,13 @@ services:
       TELEGRAM_BOT_ENABLED: ${TELEGRAM_BOT_ENABLED:-true}
       LOG_LEVEL: ${LOG_LEVEL:-INFO}
 
+      # Android OTA: the token never reaches the phone. Empty disables the
+      # update endpoints (they answer 503) without affecting anything else.
+      GITEA_URL: ${GITEA_URL:-https://git.timka.su}
+      GITEA_REPO: ${GITEA_REPO:-timka123/kadence}
+      GITEA_TOKEN: ${GITEA_TOKEN:-}
+      GITEA_UPDATE_BRANCH: ${GITEA_UPDATE_BRANCH:-master}
+
       # Web login — see .env.example for what each does.
       AUTH_USERNAME: ${AUTH_USERNAME:-timka}
       AUTH_PASSWORD: ${AUTH_PASSWORD:-}