style(wordflip): white-space

subjects/wordflip/README.md

@@ -26,10 +26,10 @@ package main
 import "fmt"
 
 func main() {
-    fmt.Print(WordFlip("First second last"))
-    fmt.Print(WordFlip(""))
-    fmt.Print(WordFlip("     "))
-    fmt.Print(WordFlip(" hello  all  of  you! "))
+  fmt.Print(WordFlip("First second last"))
+  fmt.Print(WordFlip(""))
+  fmt.Print(WordFlip("     "))
+  fmt.Print(WordFlip(" hello  all  of  you! "))
 }
 ```