add ci pipeline (#22)

Co-authored-by: Thomas von Dein <tom@izb.net>

.github/workflows/ci.yaml

@@ -0,0 +1,33 @@
+name: build-and-test
+on: [push, pull_request]
+jobs:
+  build:
+    strategy:
+      matrix:
+        version: [1.21]
+        os: [ubuntu-latest, windows-latest, macos-latest]
+    name: Build
+    runs-on: ${{ matrix.os }}
+    steps:
+    - name: Set up Go
+      uses: actions/setup-go@v3
+      with:
+        go-version: ${{ matrix.version }}
+      id: go
+
+    - name: checkout
+      uses: actions/checkout@v3
+
+    - name: build
+      run: go build
+
+  golangci:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/setup-go@v3
+        with:
+          go-version: 1.21
+      - uses: actions/checkout@v3
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v3

README.md

@@ -4,6 +4,7 @@
 
 [![License](https://img.shields.io/badge/license-GPL-blue.svg)](https://github.com/tlinden/kleingebaeck/blob/master/LICENSE)
 [![Go Report Card](https://goreportcard.com/badge/github.com/tlinden/kleingebaeck)](https://goreportcard.com/report/github.com/tlinden/kleingebaeck) 
+[![Actions](https://github.com/tlinden/kleingebaeck/actions/workflows/ci.yaml/badge.svg)](https://github.com/tlinden/kleingebaeck/actions)
 ![GitHub License](https://img.shields.io/github/license/tlinden/kleingebaeck)
 [![GitHub release](https://img.shields.io/github/v/release/tlinden/kleingebaeck?color=%2300a719)](https://github.com/TLINDEN/kleingebaeck/releases/latest)