ci: use GitHub Actions (#96)

* ci: github workflows

* test: fix lint file

* add lock file

* readme++

Author: jonathanong

.eslintrc

@@ -1,3 +1,2 @@
 ---
-extends:
-  - standard
+extends: standard

.github/workflows/node.js.yml

@@ -0,0 +1,27 @@
+name: Node.js CI
+
+on: push
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [10.x, 12.x]
+
+    env:
+      CI: true
+      CODECOV_TOKEN: fa9a6286-7613-4953-9446-b1af1aeba4d3
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+    - run: npm ci
+    - run: npm run eslint
+    - run: npm run test -- --coverage
+    - run: npx codecov

.gitignore

@@ -1,4 +1,3 @@
 .DS_Store*
 node_modules
 coverage
-package-lock.json

.npmrc

@@ -1,8 +1,7 @@
 # Koa Compress
 
-[![Build Status](https://travis-ci.org/koajs/compress.svg?branch=master)](https://travis-ci.org/koajs/compress)
+[![Node.js CI](https://github.com/koajs/compress/workflows/Node.js%20CI/badge.svg?branch=master)](https://github.com/koajs/compress/actions?query=workflow%3A%22Node.js+CI%22+branch%3Amaster)
 [![codecov](https://codecov.io/gh/koajs/compress/branch/master/graph/badge.svg)](https://codecov.io/gh/koajs/compress)
-[![Greenkeeper badge](https://badges.greenkeeper.io/koajs/compress.svg)](https://greenkeeper.io/)
 
 Compress middleware for Koa
 

.travis.yml

@@ -1,3 +1,3 @@
 ---
 env:
-  mocha: true
+  jest: true