Added short form for variable definitions

README.md

@@ -24,6 +24,12 @@ Build a Linux ELF executable from `examples/hello`:
 ./examples/hello/hello
 ```
 
+To produce verbose output, add the `-v` flag:
+
+```shell
+./q build examples/hello -v
+```
+
 ## Documentation
 
 ### [main.go](main.go)