Bump version and improve package commentary

Author: arichiardi

reason-mode.el

@@ -1,17 +1,29 @@
 ;;; reason-mode.el --- A major emacs mode for editing Reason (based on rust-mode) -*-lexical-binding: t-*-
 ;; Portions Copyright (c) 2015-present, Facebook, Inc. All rights reserved.
 
-
-;; Version: 0.2.0
+;; Version: 0.3.0
 ;; Author: Mozilla
-;; Url:
-;; Keywords: languages
+;; Url: https://github.com/arichiardi/reason-mode
+;; Keywords: languages, ocaml
+;; Package-Requires: ((emacs "24.0"))
+
+;; This file is NOT part of GNU Emacs.
 
 ;; This file is distributed under the terms of both the MIT license and the
 ;; Apache License (version 2.0).
 
 ;;; Commentary:
+;; This project provides useful functions and helpers for developing code
+;; using the Reason programming language (https://facebook.github.io/reason).
+;;
+;; Reason is an umbrella project that provides a curated layer for OCaml.
+;;
+;; It offers:
+;;  - A new, familiar syntax for the battle-tested language that is OCaml.
+;;  - A workflow for compiling to JavaScript and native code.
+;;  - A set of friendly documentations, libraries and utilities.
 ;;
+;; See the README.md for more details.
 
 ;;; Code: