Update README.md

Author: EmptyWork

README.md

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-# Functional Programming
+# Purely-functional Languages
 
-[Functional programming](https://en.wikipedia.org/wiki/Functional_programming) are paradigm where programs are coded with **functions-first approach**.
+This repository are meant to contains any `purely-functional language`, right now it only contains 2 purely-functional language: [Haskell](https://www.haskell.org/) and [Purescript](https://purescript.org).
+
+## Haskell
+
+[Haskell](https://www.haskell.org/) is purely-functional language that created using [C lang](https:://c-lang.com).
+
+## Purescript
+
+[Purescript](https://purescript.org) is purely-functional language that was inspired by [Haskell](https://www.haskell.org/) and [Javascript](https://www.ecma-international.org/), the way purescript works is by converting any `purs` into `js` file, either by using [spago](https://www.npmjs.com/package/spago) or [bower](https://www.npmjs.com/package/bower) with its buildtool called [pulp](https://www.npmjs.com/package/pulp/v/3.2.2).