Merge pull request #35 from koron/multiplatform-test-gha

run test on GitHub Actions for three platforms

.github/workflows/go-test.yml

@@ -0,0 +1,23 @@
+name: Go Test
+
+on: [push]
+
+jobs:
+
+  test:
+
+    name: Test
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        os: [ ubuntu-latest, macos-latest, windows-latest ]
+    steps:
+
+    - uses: actions/setup-go@v2
+      with:
+        go-version: 1.x
+
+    - uses: actions/checkout@v2
+
+    - run: go test

README.md

@@ -1,4 +1,4 @@
-# Loads OAI specs  [![Build Status](https://travis-ci.org/go-openapi/loads.svg?branch=master)](https://travis-ci.org/go-openapi/loads) [![codecov](https://codecov.io/gh/go-openapi/loads/branch/master/graph/badge.svg)](https://codecov.io/gh/go-openapi/loads) [![Slack Status](https://slackin.goswagger.io/badge.svg)](https://slackin.goswagger.io)
+# Loads OAI specs  [![Build Status](https://travis-ci.org/go-openapi/loads.svg?branch=master)](https://travis-ci.org/go-openapi/loads) [![codecov](https://codecov.io/gh/go-openapi/loads/branch/master/graph/badge.svg)](https://codecov.io/gh/go-openapi/loads) [![Slack Status](https://slackin.goswagger.io/badge.svg)](https://slackin.goswagger.io) [![Actions/Go Test Status](https://github.com/go-openapi/loads/workflows/Go%20Test/badge.svg)](https://github.com/go-openapi/loads/actions?query=workflow%3A"Go+Test")
 
 [![license](http://img.shields.io/badge/license-Apache%20v2-orange.svg)](https://raw.githubusercontent.com/go-openapi/loads/master/LICENSE) [![GoDoc](https://godoc.org/github.com/go-openapi/loads?status.svg)](http://godoc.org/github.com/go-openapi/loads)
 [![Go Report Card](https://goreportcard.com/badge/github.com/go-openapi/loads)](https://goreportcard.com/report/github.com/go-openapi/loads)