build: switching to GHA

Signed-off-by: deadprogram <ron@hybridgroup.com>

.github/workflows/build.yml

@@ -0,0 +1,25 @@
+name: Build
+
+on:
+  pull_request:
+  push:
+    branches:
+      - dev
+      - release
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    container: tinygo/tinygo-dev
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: TinyGo version check
+        run: tinygo version
+      - name: Enforce Go Formatted Code
+        run: make fmt-check
+      - name: Run unit tests
+        run: make unit-test
+      - name: Run build and smoke tests
+        run: make smoke-test

README.md

@@ -1,6 +1,6 @@
 # TinyGo Drivers
 
-[![PkgGoDev](https://pkg.go.dev/badge/tinygo.org/x/drivers)](https://pkg.go.dev/tinygo.org/x/drivers) [![CircleCI](https://circleci.com/gh/tinygo-org/drivers/tree/dev.svg?style=svg)](https://circleci.com/gh/tinygo-org/drivers/tree/dev)
+[![PkgGoDev](https://pkg.go.dev/badge/tinygo.org/x/drivers)](https://pkg.go.dev/tinygo.org/x/drivers) [![Build](https://github.com/tinygo-org/drivers/actions/workflows/build.yml/badge.svg?branch=dev)](https://github.com/tinygo-org/drivers/actions/workflows/build.yml)
 
 
 This package provides a collection of hardware drivers for devices such as sensors and displays that can be used together with [TinyGo](https://tinygo.org).