Update and rename collatz.md to collatz-algorithm.md

snippets/collatz-algorithm.md

@@ -0,0 +1,9 @@
+### Collatz algorithm
+
+If `n` is even, return `n/2`. Otherwise  return `3n+1`.
+
+```js
+const collatz = n => (n % 2 == 0) ? (n/2) : (3*n+1); 
+// collatz(8) --> 4
+// collatz(5) --> 16
+```

snippets/collatz.md

@@ -1,11 +0,0 @@
-### Collatz algorithm
-
-If n even then returns **n/2** otherwise (n is odd) **3n+1**.
-It uses the ternary operator.
-
-``` js
-    const collatz = n => (n % 2 == 0) ? (n/2) : (3*n+1); 
-    // collatz(8) --> 4
-    // collatz(5) --> 16
-
-```