Add coverage

.gitignore

@@ -1,15 +1,5 @@
-lib-cov
-*.seed
 *.log
-*.csv
-*.dat
-*.out
-*.pid
-*.gz
-
-pids
-logs
-results
-
-npm-debug.log
 node_modules
+dist
+lib
+coverage

.istanbul.yml

@@ -0,0 +1,4 @@
+# used for istanbul/isparta to care only about src
+# otherwise it crashes https://github.com/douglasduteil/isparta/issues/47
+instrumentation:
+  root: src

README.md

@@ -2,7 +2,7 @@
 
 Simple implementation of the k-means clustering method.
 
-# How to use
+### How to use
 
 ```javascript
 import kmeans, { Point } from 'algo-kmeans';
@@ -28,19 +28,37 @@ const clusters = kmeans(points, {
 });
 ```
 
-# Install
+### Install
 
 With [npm](https://npmjs.org) do:
 
 ```
 npm install algo-kmeans
 ```
 
-# Testing
+### Commands
 
 ```
-npm test
+Lifecycle scripts included in algo-kmeans:
+  test
+    _mocha --compilers js:babel/register
+  prepublish
+    npm run build && npm run build:umd
+
+available via `npm run-script`:
+  build
+    babel src --out-dir lib
+  clean
+    rimraf lib dist
+  build:umd
+    webpack src/index.js dist/kmeans.js && set NODE_ENV=production&& webpack src/index.js dist/kmeans.min.js
+  test:watch
+    _mocha watch
+  test:cov
+    babel-node ./node_modules/isparta/bin/isparta cover ./node_modules/mocha/bin/_mocha
+  lint
+    eslint src test
 ```
-# License
+### License
 
 MIT