docs(weareunique): fixed subject

- fix indentation and grammar

subjects/weareunique/README.md

@@ -1,27 +1,24 @@
-## Weareunique
+## weareunique
 
 ### Instructions
 
 Write a function that takes two strings and returns the number of characters that are not included in both, without doubles.
-- If there is no unique charachters return 0.
-- If both strings are empty return -1.
+- If there is no unique characters return `0`.
+- If both strings are empty return `-1`.
 
 ### Expected function
 
 ```go
-
-func Weareunique(str1 , str2 string) int {
+func WeAreUnique(str1 , str2 string) int {
 
 }
-
 ```
 
 ### Usage
 
-Here is a possible program to test your function :
+Here is a possible program to test your function:
 
 ```go
-
 package main
 
 import (
@@ -29,24 +26,23 @@ import (
 )
 
 func main() {
-
 	arr := [][]string{
 		{"foo", "boo"},
-		{"",""},
+		{"", ""},
 		{"abc", "def"},
 		{"hello", "yoall"},
 		{"everyone", ""},
 		{"hello world", "fam"},
-		{"pomme","pomme"},
+		{"pomme", "pomme"},
 		{"", "exam"},
 	}
 	for _, v := range arr {
-		fmt.Println(Weareunique(v[0], v[1]))
+		fmt.Println(WeAreUnique(v[0], v[1]))
 	}
 }
 ```
 
-And its output :
+And its output:
 
 ```console
 $ go run .