docs(scripts): add .env.release.example template for publish-apk

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

scripts/.env.release.example

@@ -0,0 +1,13 @@
+# Copy this file to scripts/.env.release (gitignored) and fill in your values.
+# Used ONLY by `npm run publish-apk` on your DEV machine to upload the built APK to Gitea.
+#
+#   cp scripts/.env.release.example scripts/.env.release
+#
+# GITEA_URL: a Gitea base URL reachable FROM THIS (dev) machine. On your LAN that's the internal
+#            address, e.g. http://192.168.1.10:3000 — NOT the (blocked) external duckdns URL.
+GITEA_URL=http://192.168.1.10:3000
+GITEA_REPO=Docker/NovaSonic
+# A Gitea token with WRITE access (Settings → Applications → scope write:repository).
+GITEA_TOKEN=paste-your-write-token-here
+# Fixed release tag the APK lives in (leave as-is unless you changed it on the backend too).
+GITEA_APK_TAG=apk-latest