Use github action

.github/workflows/main.yml

@@ -0,0 +1,28 @@
+name: Build
+
+on:
+  pull_request:
+    branches:
+      - master
+  push:
+    branches:
+      - master
+
+jobs:
+
+  build:
+    name: Build
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Install go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.15
+      - name: Install golangci-lint
+        run: curl -sfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh| sh -s -- -b $(go env GOPATH)/bin v1.30.0
+      - name: Lint
+        run: make lint
+      - name: Test
+        run: make test

README.md

@@ -1,8 +1,6 @@
 # Geo Lookups
 
-[![Build Status][1]][2]
-[![codecov][3]][4]
-[![MIT Licence][5]][6]
+[![Build](https://github.com/4lie/lookups/actions/workflows/build.yml/badge.svg?branch=master)](https://github.com/4lie/lookups/actions/workflows/build.yml)
 [![PkgGoDev](https://pkg.go.dev/badge/github.com/4lie/lookups)](https://pkg.go.dev/github.com/4lie/lookups)
 
 ## Introduction
@@ -18,13 +16,6 @@ It uses Google's S2 Library for indexing and it's super fast :rocket:.
 go get github.com/4lie/lookups
 ```
 
-[1]: https://img.shields.io/travis/4lie/lookups?logo=travis&style=flat-square
-[2]: https://travis-ci.org/4lie/lookups
-[3]: https://img.shields.io/codecov/c/gh/4lie/lookups?logo=codecov&style=flat-square
-[4]: https://codecov.io/gh/4lie/lookups
-[5]: https://img.shields.io/github/license/4lie/lookups?style=flat-square
-[6]: https://opensource.org/licenses/mit-license.php
-
 ## Examples
 
 `lookups_test.go` contains several useful examples. You can check visualizations of them here.