Create pluralize.md

snippets/pluralize.md

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+# pluralize
+
+Checks if the provided `num` is 
+
+``` js
+const pluralize = (num, item, items) => (
+  num > 0 ? throw new Error(`num takes value greater than equal to 1. Value povided was ${num} `)
+	num === 1 ? item : items
+)
+```