docs(weareunique): fixed subject

- fix indentation and grammar

subjects/weareunique/README.md

@@ -1,19 +1,17 @@
-## 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
@@ -21,7 +19,6 @@ func Weareunique(str1 , str2 string) int {
 Here is a possible program to test your function:
 
 ```go
-
 package main
 
 import (
@@ -29,7 +26,6 @@ import (
 )
 
 func main() {
-
 	arr := [][]string{
 		{"foo", "boo"},
 		{"", ""},
@@ -41,7 +37,7 @@ func main() {
 		{"", "exam"},
 	}
 	for _, v := range arr {
-		fmt.Println(Weareunique(v[0], v[1]))
+		fmt.Println(WeAreUnique(v[0], v[1]))
 	}
 }
 ```