Merge pull request #27 from overflowsith/is-divisible-by

add a isDivisible function

snippets/divisible-by-number.md

@@ -0,0 +1,7 @@
+### Divisible by number
+
+Use the modulo operator (`%`) to check if the remainder is equal to `0`.
+
+```js
+const isDivisible = (dividend, divisor) => dividend % divisor === 0;
+```