Updated readme

Readme.md

@@ -37,6 +37,15 @@ sqlx migrate run
 # Tests
 Tests are WIP. Not done yet.
 
+# Release
+To build for release
+
+```bash
+cargo build --release
+```
+
+You can find the executable inside target/release/{name of proj}
+
 ## License & Attribution
 By Franklin E. Blanco
 [Creative Commons](https://creativecommons.org/licenses/by-nc-nd/3.0/legalcode)