feat: 🏗️ add biome linter and formatter + add linter GH action

Author: ziracmo

.github/workflows/lint.yaml

@@ -0,0 +1,30 @@
+name: Code quality
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  quality:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: "npm"
+
+      - name: Install dependencies
+        run: npm ci
+        working-directory: ./crowdsec-docs/
+
+      - name: Setup Biome
+        uses: biomejs/setup-biome@v2
+        with:
+          version: latest
+
+      - name: Run Biome
+        run: biome ci .

README.md

@@ -6,6 +6,12 @@ Online version of this documentation is available here: https://doc.crowdsec.net
 
 The documentation is built using [Docusaurus](https://docusaurus.io/), a modern static website generator.
 
+## Pre-requisites
+
+- Node.js (version 20 or later)
+- npm (Node package manager)
+- VSCode with recommended extensions installed (see `.vscode/extensions.json`)
+
 ## Installation
 
 ```console
@@ -28,3 +34,12 @@ npm run build
 
 This command generates static content into the `build` directory and can be served using any static contents hosting service.
 you can also use the `npm run serve` command to test the build locally.
+
+## Linting and Formatting
+
+This project uses [Biomes](https://biomejs.dev/) for linting and formatting. You can run the following commands:
+
+```console
+npm run lint
+npm run format
+```

biome.json

@@ -0,0 +1,48 @@
+{
+	"$schema": "https://biomejs.dev/schemas/2.0.6/schema.json",
+	"vcs": { "enabled": false, "clientKind": "git", "useIgnoreFile": false },
+	"files": {
+		"ignoreUnknown": false,
+		"includes": ["crowdsec-docs/**/*.ts", "crowdsec-docs/**/*.tsx", "!**/node_modules/**", "!crowdsec-docs/plugins/**"]
+	},
+	"formatter": {
+		"enabled": true,
+		"formatWithErrors": false,
+		"indentStyle": "tab",
+		"indentWidth": 4,
+		"lineEnding": "lf",
+		"lineWidth": 140,
+		"attributePosition": "auto",
+		"bracketSameLine": false,
+		"bracketSpacing": true,
+		"expand": "auto",
+		"useEditorconfig": true
+	},
+	"linter": {
+		"enabled": true,
+		"rules": {
+			"recommended": true,
+			"style": {
+				"useImportType": "off"
+			}
+		}
+	},
+	"javascript": {
+		"formatter": {
+			"jsxQuoteStyle": "double",
+			"quoteProperties": "asNeeded",
+			"trailingCommas": "es5",
+			"semicolons": "asNeeded",
+			"arrowParentheses": "always",
+			"bracketSameLine": false,
+			"quoteStyle": "double",
+			"attributePosition": "auto",
+			"bracketSpacing": true
+		}
+	},
+	"html": { "formatter": { "selfCloseVoidElements": "always" } },
+	"assist": {
+		"enabled": true,
+		"actions": { "source": { "organizeImports": "on" } }
+	}
+}