Added linting, processed current snippets

snippets/anagrams-of-string-(with-duplicates).md

@@ -7,9 +7,9 @@ Base cases are for string `length` equal to `2` or `1`.
 
 ```js
 const anagrams = str => {
-  if(str.length <= 2)  return str.length === 2 ? [str, str[1] + str[0]] : [str];
-  return str.split('').reduce( (acc, letter, i) =>
-    acc.concat(anagrams(str.slice(0, i) + str.slice(i + 1)).map( val => letter + val )), []);
-}
+  if (str.length <= 2) return str.length === 2 ? [str, str[1] + str[0]] : [str];
+  return str.split('').reduce((acc, letter, i) =>
+    acc.concat(anagrams(str.slice(0, i) + str.slice(i + 1)).map(val => letter + val)), []);
+};
 // anagrams('abc') -> ['abc','acb','bac','bca','cab','cba']
 ```