feat(editorconfig): add editorconfig and enable with biome

.editorconfig

@@ -0,0 +1,37 @@
+# EditorConfig is awesome: https://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+# Default settings for all files
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+indent_style = space
+indent_size = 2
+
+# Markdown files
+[*.{md,markdown}]
+trim_trailing_whitespace = false
+
+# YAML files
+[*.{yml,yaml}]
+indent_size = 2
+
+# JSON files
+[*.{json,jsonc}]
+indent_size = 2
+
+# TypeScript and JavaScript files
+[*.{ts,tsx,js,jsx}]
+indent_size = 2
+
+# Astro files
+[*.astro]
+indent_size = 2
+
+# Configuration files
+[{*.config.js,*.config.ts}]
+indent_size = 2

biome.json

@@ -16,7 +16,8 @@
     "enabled": true,
     "indentStyle": "space",
     "indentWidth": 2,
-    "lineWidth": 100
+    "lineWidth": 100,
+    "useEditorconfig": true
   },
   "files": {
     "ignore": [