Optimize the npm package size

Make the npm package 5x smaller by removing the Markdown docs and HTML samples: I don't think people use to access these resources locally compared to the generated online versions.

LICENSE.md

@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2017 Chart.js Contributors
+Copyright (c) 2018 Chart.js Contributors
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 

package.json

@@ -14,6 +14,11 @@
     "plugin",
     "label"
   ],
+  "files": [
+    "bower.json",
+    "dist/*.js",
+    "src"
+  ],
   "devDependencies": {
     "chart.js": "2.7.2",
     "eslint-config-chartjs": "^0.1.0",

rollup.config.js

@@ -20,6 +20,7 @@ module.exports = [
 			file: `dist/${pkg.name}.js`,
 			banner: banner,
 			format: 'umd',
+			indent: false,
 			globals: {
 				'chart.js': 'Chart'
 			}
@@ -35,6 +36,7 @@ module.exports = [
 			file: `dist/${pkg.name}.min.js`,
 			banner: banner,
 			format: 'umd',
+			indent: false,
 			globals: {
 				'chart.js': 'Chart'
 			}