Add lint workflow

Signed-off-by: Mauro Morales <mauro.morales@spectrocloud.com>

.github/workflows/lint.yaml

@@ -0,0 +1,28 @@
+name: Lint
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    paths:
+      - '**'
+env:
+  FORCE_COLOR: 1
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - name: Install Go
+        uses: actions/setup-go@v4
+      - name: Install earthly
+        uses: Luet-lab/luet-install-action@v1
+        with:
+          repository: quay.io/kairos/packages
+          packages: utils/earthly
+      - name: Run Lint checks
+        run: |
+          earthly +lint

Earthfile

@@ -67,6 +67,10 @@ iso:
     SAVE ARTIFACT /build/$ISO_NAME.iso iso AS LOCAL build/$ISO_NAME.iso
     SAVE ARTIFACT /build/$ISO_NAME.iso.sha256 sha256 AS LOCAL build/$ISO_NAME.iso.sha256
 
+lint:
+    BUILD +golint
+    BUILD +yamllint
+
 golint:
     ARG GO_VERSION
     FROM golang:$GO_VERSION