Update README.md

AndyGauge · web-flow · commit fb3c54976d69 · 2019-11-19T20:07:27.000-08:00
Forgot `use lazy_static::lazy_static;` in README
diff --git a/README.md b/README.md
@@ -39,6 +39,7 @@ lazy_static = "1.4.0"
 # Example
 
 ```rust
+use lazy_static::lazy_static;
 use std::collections::HashMap;
 
 lazy_static! {
