ci: add linters to github actions

.github/workflows/linters.yml

@@ -0,0 +1,36 @@
+name: Linters
+
+on: [push, pull_request]
+
+defaults:
+  run:
+    shell: bash
+
+env:
+  GOLANGCI_VERSION: 1.31
+  GOLANGCI_TIMEOUT: 10m0s
+
+jobs:
+  validate-commits:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check git commit messages (Commitsar Action)
+        uses: aevea/[email protected]
+
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v2
+      - name: golangci lint code (app)
+        uses: golangci/golangci-lint-action@v2
+        continue-on-error: true
+        with:
+          version: 'v${{ env.GOLANGCI_VERSION }}'
+          args: --config .golangci.toml --color always --path-prefix app/ --timeout ${{ env.GOLANGCI_TIMEOUT }}
+      - name: golangci lint code (lib)
+        uses: golangci/golangci-lint-action@v2
+        continue-on-error: true
+        with:
+          version: 'v${{ env.GOLANGCI_VERSION }}'
+          args: --config .golangci.toml --color always --path-prefix lib/ --timeout ${{ env.GOLANGCI_TIMEOUT }}