Update README.md

Author: aminya

README.md

@@ -81,10 +81,12 @@ using FemtoCleaner
 A repository of Julia code can be cleaned using 
 
 ```jl
+using FemtoCleaner
 FemtoCleaner.cleanrepo(path::String, show_diff = true, delete_local = true)
 ```
 For example on Windows:
 ```jl
+using FemtoCleaner
 FemtoCleaner.cleanrepo("C:\\repositoryFolder", show_diff = true, delete_local = true)
 ```