added all test cases

Author: codewithmide

Palindrome_Checker/README.md

@@ -0,0 +1,15 @@
+#check [Palindrome_checker.md](https://github.com/codewithmide/JavaScript-Algorithms-and-Data-Structures-Projects/blob/master/Palindrome_Checker/Palindrome_checker.md) for more test cases
+
+`palindrome("eye")` should return a `boolean`.
+`palindrome("eye")` should return `true`.
+`palindrome("_eye")` should return `true`.
+`palindrome("race car")` should return `true`.
+`palindrome("not a palindrome")` should return `false`.
+`palindrome("A man, a plan, a canal. Panama")` should return `true`.
+`palindrome("never odd or even")` should return `true`.
+`palindrome("nope")` should return `false`.
+`palindrome("almostomla")` should return `false`.
+`palindrome("My age is 0, 0 si ega ym.")` should return `true`.
+`palindrome("1 eye for of 1 eye.")` should return `false`.
+`palindrome("0_0 (: /-\ :) 0-0")` should return `true`.
+`palindrome("five|\_/|four")` should return `false`.