chore(lint): Add Linting workflow to CI (#1270)

Author: Barcode-eng

.github/workflows/lint.yml

@@ -0,0 +1,56 @@
+name: Lint
+
+on:
+  pull_request:
+
+env:
+  NODE_VERSION: "22.18.0"
+
+jobs:
+  web:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v6
+        with:
+          fetch-depth: 0
+
+      - name: Set up Node
+        uses: actions/setup-node@v6
+        with:
+          node-version: ${{ env.NODE_VERSION }}
+
+      - name: Set up pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: latest
+
+      - name: Install frontend dependencies
+        working-directory: web
+        run: pnpm install
+
+      - name: Lint frontend
+        working-directory: web
+        run: |
+          webfiles=$({ git diff --name-only --diff-filter=d "origin/${{ github.base_ref }}"...HEAD -- 'web/'; } | sort -u | sed 's|^web/||' | grep -E '\.(ts|tsx|js|jsx)$' || true)
+          if [ -n "$webfiles" ]; then echo "$webfiles" | xargs pnpm eslint; else echo "No frontend files to lint."; fi
+    
+  backend:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v6
+
+      - name: Set up Go
+        uses: actions/setup-go@v6
+        with:
+          go-version-file: "go.mod"
+          cache: true
+
+      - name: Lint backend
+        uses: golangci/golangci-lint-action@v9
+        with:
+          version: v2.6
+          only-new-issues: true

.gitignore

@@ -43,7 +43,6 @@ dist/
 .run/
 .dev/
 tmp/
-.golangci.yml
 web/eslint-sarif-report.sarif
 test/mockindexer/feeds/*
 test/mockindexer/files/*

.golangci.yml

@@ -0,0 +1,61 @@
+version: "2"
+
+issues:
+  max-same-issues: 0
+
+formatters:
+  enable:
+    - goimports
+    - gofmt
+
+  settings:
+    goimports:
+      local-prefixes:
+        - github.com/autobrr/qui
+
+linters:
+  enable:
+    - containedctx
+    - copyloopvar
+    - errname
+    - errorlint
+    - exhaustive
+    - fatcontext
+    - ginkgolinter
+    - gocritic
+    - gosec
+    - loggercheck
+    - mirror
+    - misspell
+    - noctx
+    - perfsprint
+    - prealloc
+    - revive
+    - rowserrcheck
+    - spancheck
+    - testifylint
+    - unconvert
+    - whitespace
+    - modernize
+
+  settings:
+    exhaustive:
+      default-signifies-exhaustive: false
+    
+    misspell:
+      ignore-rules:
+        - alltime # Already used in metrics
+        - hardlink
+        - hardlinked
+    
+    gosec:
+      excludes:
+        - G115
+
+  exclusions:
+    generated: lax
+    presets:
+      - comments
+      - common-false-positives
+      - legacy
+      - std-error-handling