Update README.md to clarify usage of astx gen command for debugging only

Author: TheRealFloatDev

README.md

@@ -10,5 +10,5 @@ npm install -g @astx/runtime
 ```bash
 astx run <file> # Run a .astx file
 astx compile <input> <output> # Compile a .js file to a .astx file
-astx gen <input> <output> # Generate working .js code from a .astx file (not recommended - neither optimized nor human-readable)
+astx gen <input> <output> # Generate working .js code from a .astx file (not recommended - neither optimized nor human-readable - use for debugging only)
 ```