Add lint workflow

.github/workflows/lint.yml

@@ -0,0 +1,18 @@
+name: lint
+on:
+  push:
+  pull_request:
+
+jobs:
+  golangci:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v2
+        with:
+          # Optional: golangci-lint command line arguments.
+          args: --issues-exit-code=0
+          # Optional: show only new issues if it's a pull request. The default value is `false`.
+          only-new-issues: true

.golangci.yml

@@ -0,0 +1,34 @@
+run:
+  tests: false
+
+issues:
+  include:
+    - EXC0001
+    - EXC0005
+    - EXC0011
+    - EXC0012
+    - EXC0013
+
+  max-issues-per-linter: 0
+  max-same-issues: 0
+
+linters:
+  enable:
+    - bodyclose
+    - dupl
+    - exportloopref
+    - goconst
+    - godot
+    - godox
+    - goimports
+    - goprintffuncname
+    - gosec
+    - ifshort
+    - misspell
+    - prealloc
+    - revive
+    - rowserrcheck
+    - sqlclosecheck
+    - unconvert
+    - unparam
+    - whitespace