[chore] Add lint/editor/pipeline configs

.github/workflows/github-actions.yaml

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+name: Automatic Integration
+
+on:
+  push:
+    branches:
+    - main
+  pull_request:
+    branches:
+    - main
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        ref: ${{ github.ref }}
+    - uses: actions/setup-go@v4
+      with:
+        go-version: 1.22
+
+    - run: go test -v -coverprofile=cover.out ./...
+    - run: go tool cover -html=cover.out -o cover.html
+    - run: rm cover.out
+    - uses: actions/upload-artifact@v3
+      with:
+        name: ut-coverage
+        files: ./cover.html

.golangci.yaml

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+run:
+  issues-exit-code: 0
+  tests: true
+
+output:
+  format: checkstyle
+
+linters-settings:
+  funlen:
+    lines: 200
+    statements: 80
+  goconst:
+    min-len: 3
+    min-occurrences: 3
+  gocritic:
+    enabled-tags:
+    - diagnostic
+    - experimental
+    - opinionated
+    - performance
+    - style
+    disabled-checks:
+    - dupImport # https://github.com/go-critic/go-critic/issues/845
+    - ifElseChain
+    - octalLiteral
+    - whyNoLint
+    - wrapperFunc
+  gocyclo:
+    min-complexity: 15
+  goimports:
+    local-prefixes: flex
+  gomnd:
+    settings:
+      mnd:
+        # don't include the "operation" and "assign"
+        checks: argument,case,condition,return
+  lll:
+    line-length: 200
+  misspell:
+    locale: US
+
+linters:
+  # please, do not use `enable-all`: it's deprecated and will be removed soon.
+  # inverted configuration with `enable-all` and `disable` is not scalable during updates of golangci-lint
+  disable-all: true
+  enable:
+  - bodyclose
+  - depguard
+  - dogsled
+  - dupl
+  - errcheck
+  - exhaustive
+  - funlen
+  - gochecknoinits
+  - goconst
+  - gocritic
+  - gocyclo
+  - gofmt
+  - goimports
+  - gomnd
+  - goprintffuncname
+  - gosec
+  - gosimple
+  - ineffassign
+  - lll
+  - misspell
+  - noctx
+  - rowserrcheck
+  - revive
+  - exportloopref
+  - staticcheck
+  - stylecheck
+  - typecheck
+  - unconvert
+  - unparam
+  - unused
+  - whitespace
+
+issues:
+  exclude-use-default: false

.vscode/settings.json

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+{
+    "editor.acceptSuggestionOnEnter": "off",
+    "editor.formatOnSave": true,
+    "go.formatTool": "goimports",
+    "go.useLanguageServer": true,
+    "go.lintTool": "golangci-lint",
+    "go.lintFlags": [
+        "--fast"
+    ]
+}