Update README

Author: yungcomputerchair

README.md

@@ -11,4 +11,5 @@ OpenFusionClient rewrite with Tauri 2.0, Next.js and React.
 Run `cargo tauri dev` to spawn the app. **Hot reload is on, so any changes you make will immediately reflect.**
 
 ## Production
-TODO
+Run `cargo tauri build` to build a production binary and any applicable installers or bundles for the current platform. Note that `cargo build --release` will not produce a useful binary as it does not embed the web pages into the application.
+