Add linter to ci

.github/workflows/lint.yaml

@@ -0,0 +1,34 @@
+name: Lint
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - "**/*.go"
+      - "go.mod"
+      - "go.sum"
+      - "**/go.mod"
+      - "**/go.sum"
+  pull_request:
+    paths:
+      - "**/*.go"
+      - "go.mod"
+      - "go.sum"
+      - "**/go.mod"
+      - "**/go.sum"
+  merge_group:
+permissions:
+  contents: read
+jobs:
+  golangci:
+    name: golangci-lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version: "1.21"
+          check-latest: true
+      - name: run linting
+        run: |
+          make lint

.golangci.yaml

@@ -0,0 +1,65 @@
+run:
+  timeout: 10m
+  tests: true
+
+linters:
+  disable-all: true
+  enable:
+  - asciicheck
+  - bidichk
+  - bodyclose
+  - decorder
+  - dupl
+  - dupword
+  - errcheck
+  - errchkjson
+  - errname
+  - exhaustive
+  - exportloopref
+  - forbidigo
+  - gci
+  - goconst
+  - gocritic
+  - gofmt
+  - gosec
+  - gosimple
+  - gosmopolitan
+  - govet
+  - grouper
+  - ineffassign
+  - loggercheck
+  - misspell
+  - nilerr
+  - nilnil
+  - noctx
+  - stylecheck
+  - testifylint
+  - thelper
+  - tparallel
+  - typecheck
+  - unconvert
+  - unparam
+  - unused
+  - usestdlibvars
+  - wastedassign
+  - whitespace
+
+linters-settings:
+  gci:
+    custom-order: true
+    sections:
+      - standard # Standard section: captures all standard packages.
+      - default # Default section: contains all imports that could not be matched to another section type.
+      - blank # blank imports
+      - dot # dot imports
+      - prefix(github.com/cometbft/cometbft)
+      - prefix(github.com/cosmos)
+      - prefix(github.com/cosmos/cosmos-sdk)
+      - prefix(cosmossdk.io)
+      - prefix(github.com/strangelove-ventures/poa)
+  gosec:
+    excludes:
+      - G404
+
+issues:
+  max-issues-per-linter: 0