🌴 Add greenkeeper (#73)

README.md

@@ -12,12 +12,14 @@ pickBy({ nested: [{ a: 1, b: 2, c: 3, d: 4 }, { e: 6 }] }, 'nested.0', v => v <
 ```
 immutad●t gives you a short and meaningful syntax to apply operations on immutable structures.
 
-[![CircleCI](https://circleci.com/gh/Zenika/immutadot.svg?style=shield&circle-token=8b309750f5785783ec9fb4531ba097da60563beb)](https://circleci.com/gh/Zenika/immutadot)
-[![codecov](https://codecov.io/gh/Zenika/immutadot/branch/master/graph/badge.svg)](https://codecov.io/gh/Zenika/immutadot)
 [![npm version](https://badge.fury.io/js/immutadot.svg)](https://badge.fury.io/js/immutadot)
 [![Try on RunKit](https://badge.runkitcdn.com/immutadot.svg)](https://npm.runkit.com/immutadot)
 [![](https://img.shields.io/badge/documentation-yes-brightgreen.svg)](https://zenika.github.io/immutadot)
 
+[![CircleCI](https://circleci.com/gh/Zenika/immutadot.svg?style=shield&circle-token=8b309750f5785783ec9fb4531ba097da60563beb)](https://circleci.com/gh/Zenika/immutadot)
+[![codecov](https://codecov.io/gh/Zenika/immutadot/branch/master/graph/badge.svg)](https://codecov.io/gh/Zenika/immutadot)
+[![Greenkeeper](https://badges.greenkeeper.io/Zenika/immutadot.svg)](https://greenkeeper.io/)
+
 ## Immutability
 
 In the last few years one of our biggest challenge has been to find an efficient way to detect changes in our data to determine when to re-render our interfaces.

circle.yml

@@ -1,6 +1,6 @@
 machine:
   node:
-    version: 6
+    version: 8
   environment:
     PATH: "${PATH}:${HOME}/${CIRCLE_PROJECT_REPONAME}/node_modules/.bin"
 
@@ -9,6 +9,7 @@ dependencies:
     - echo "//registry.npmjs.org/:_authToken=$NPM_TOKEN" >> ~/.npmrc
   override:
     - yarn
+    - yarn global add greenkeeper-lockfile@1
   cache_directories:
     - ~/.cache/yarn
 
@@ -17,9 +18,13 @@ compile:
     - yarn build
 
 test:
+  pre:
+    - greenkeeper-lockfile-update
   override:
     - yarn lint
     - yarn test:coverage
+  post:
+    - greenkeeper-lockfile-upload
 
 deployment:
   release: