chore: migrate Biome configuration

Author: 3w36zj6

website/biome.json

@@ -0,0 +1,40 @@
+{
+	"$schema": "https://biomejs.dev/schemas/2.0.6/schema.json",
+	"vcs": {
+		"enabled": true,
+		"clientKind": "git",
+		"useIgnoreFile": true
+	},
+	"files": {
+		"ignoreUnknown": false,
+		"includes": ["**"]
+	},
+	"formatter": {
+		"enabled": true,
+		"indentStyle": "tab"
+	},
+	"assist": { "actions": { "source": { "organizeImports": "on" } } },
+	"linter": {
+		"enabled": true,
+		"rules": {
+			"recommended": true,
+			"style": {
+				"noParameterAssign": "error",
+				"useAsConstAssertion": "error",
+				"useDefaultParameterLast": "error",
+				"useEnumInitializers": "error",
+				"useSelfClosingElements": "error",
+				"useSingleVarDeclarator": "error",
+				"noUnusedTemplateLiteral": "error",
+				"useNumberNamespace": "error",
+				"noInferrableTypes": "error",
+				"noUselessElse": "error"
+			}
+		}
+	},
+	"javascript": {
+		"formatter": {
+			"quoteStyle": "double"
+		}
+	}
+}