Added Travis + Coveralls

Author: marcveens

.travis.yml

@@ -12,4 +12,5 @@ cache:
 
 script:
   - npm run lint
+  - npm run coverage
   - npm run build

README.md

@@ -1,6 +1,7 @@
 # react-context-mutex
 [![npm version](https://badgen.net/npm/v/react-context-mutex)](https://www.npmjs.com/package/react-context-mutex)
 [![Build Status](https://travis-ci.com/marcveens/react-context-mutex.svg?branch=master)](https://travis-ci.com/marcveens/react-context-mutex)
+[![Coverage Status](https://coveralls.io/repos/github/marcveens/react-context-mutex/badge.svg?branch=master)](https://coveralls.io/github/marcveens/react-context-mutex?branch=master)
 
 A mutex implementation using React and React context. It will prevent a function from running multiple times, until you allow it to run again. 
 

package-lock.json

@@ -11,6 +11,7 @@
   },
   "scripts": {
     "test": "jest",
+    "coverage": "jest --coverage --coverageReporters=text-lcov | coveralls",
     "build": "rollup -c",
     "lint": "tslint -p tsconfig.json",
     "clean": "rimraf dist",
@@ -33,6 +34,7 @@
   "devDependencies": {
     "@types/jest": "^24.9.0",
     "@types/node": "^12.12.25",
+    "coveralls": "^3.0.9",
     "jest": "^24.9.0",
     "rimraf": "^3.0.0",
     "rollup": "^1.29.0",