fix(doc): fix typo + badges

.npmignore

@@ -0,0 +1,3 @@
+screenshots/
+tsconfig.json
+tslint.json

README.md

@@ -1,3 +1,10 @@
+<p align="center">
+  <a href="https://www.npmjs.com/package/@compodoc/ts-stats"><img src="https://badge.fury.io/js/%40compodoc%2Fts-stats.svg" alt="npm badge"></a>
+  <a href="https://david-dm.org/compodoc/ts-stats"><img src="https://david-dm.org/compodoc/ts-stats.svg" alt="npm dependencies"></a>
+  <a href="https://david-dm.org/compodoc/ts-stats?type=dev"><img src="https://david-dm.org/compodoc/ts-stats/dev-status.svg" alt="npm devDependencies"></a>
+  <a href="http://opensource.org/licenses/MIT"><img src="http://img.shields.io/badge/license-MIT-brightgreen.svg" alt="MIT badge"></a>
+</p>
+
 # ts-stats
 Gives statistics about your TypeScript files
 
@@ -21,7 +28,7 @@ yarn global add @compodoc/ts-stats
 
 ## Usage
 
-Use ts-stats near a `tsconfig.json` file.
+Use __`ts-stats`__ near a `tsconfig.json` file.
 
 ```
 $ ts-stats

package.json

@@ -1,7 +1,7 @@
 {
   "name": "@compodoc/ts-stats",
   "version": "1.0.0",
-  "description": "Gets some stats of any TypeScript application",
+  "description": "Gets some statistics of any TypeScript application",
   "main": "dist/index.js",
   "bin": {
     "ts-stats": "dist/index.js"
@@ -11,9 +11,12 @@
     "url": "git@github.com:compodoc/ts-stats.git"
   },
   "scripts": {
-    "postinstall": "tsc"
+    "prepublishOnly": "tsc"
   },
-  "keywords": [],
+  "keywords": [
+    "typescript",
+    "statistics"
+  ],
   "author": {
     "email": "contact@wassimchegham.com",
     "name": "Wassim Chegham",