Added prettier to the build and precommit

package.json

@@ -1,12 +1,14 @@
 {
   "name": "xr-input",
   "version": "1.0.0",
-  "description": "A framework-agnostic input library that progressively handles flat, portal, and immersive web apps.",
+  "description":
+    "A framework-agnostic input library that progressively handles flat, portal, and immersive web apps.",
   "main": "",
   "scripts": {
     "all": "npm run-script build && npm run-script docs",
     "build": "webpack",
-    "docs": "./node_modules/.bin/esdoc"
+    "docs": "./node_modules/.bin/esdoc",
+    "precommit": "pretty-quick --staged"
   },
   "repository": {
     "type": "git",
@@ -17,16 +19,23 @@
   "bugs": {
     "url": "https://github.com/mozilla/xr-input/issues"
   },
+  "prettier": {
+    "singleQuote": true,
+    "semi": false
+  },
   "homepage": "https://github.com/mozilla/xr-input#readme",
   "devDependencies": {
-    "esdoc": "^1.0.4",
-    "esdoc-standard-plugin": "^1.0.0",
     "babel-core": "^6.26.0",
     "babel-loader": "^7.1.2",
     "babel-polyfill": "^6.26.0",
     "babel-preset-env": "^1.6.1",
     "babel-preset-es2015": "^6.24.1",
     "babel-preset-stage-0": "^6.24.1",
+    "esdoc": "^1.0.4",
+    "esdoc-standard-plugin": "^1.0.0",
+    "husky": "^0.14.3",
+    "prettier": "1.10.2",
+    "pretty-quick": "^1.4.1",
     "webpack": "^3.8.1"
   }
 }