Add Go Tests GitHub workflow

Signed-off-by: Ionut Balutoiu <ibalutoiu@cloudbasesolutions.com>

.github/workflows/go-tests.yml

@@ -0,0 +1,27 @@
+name: Go Tests
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  go-tests:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Setup Golang
+        uses: actions/setup-go@v3
+        with:
+          go-version-file: go.mod
+
+      - run: go version
+
+      - name: Run GARM Go Tests
+        run: make test

README.md

@@ -1,5 +1,7 @@
 #  GitHub Actions Runners Manager (garm)
 
+![Go Tests](https://github.com/cloudbase/garm/actions/workflows/go-tests.yml/badge.svg)
+
 Welcome to garm!
 
 Garm enables you to create and automatically maintain pools of [self-hosted GitHub runners](https://docs.github.com/en/actions/hosting-your-own-runners/about-self-hosted-runners), with autoscaling that can be used inside your github workflow runs.