Move the gateway to junior.gib: CI deploy, compose copy, renewal script, docs

gateway/src/cli.ts

@@ -1,6 +1,6 @@
 #!/usr/bin/env bun
 // Operator commands. They edit the same SQLite file the running gateway reads, so changes apply
-// within a few seconds. In the container: `docker exec -it wristcode-gateway wristcode <command>`.
+// within a few seconds. In the container: `podman exec -it wristcode-gateway wristcode <command>`.
 
 import { loadConfig } from "./config.ts";
 import { openDb } from "./db.ts";