feat: add editorconfig (#30)

.editorconfig

@@ -0,0 +1,9 @@
+root = true
+
+[*]
+charset = utf-8
+indent_style = space
+indent_size = 2
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true

.vscode/extensions.json

@@ -5,6 +5,7 @@
     "antfu.unocss",
     "antfu.goto-alias",
     "vue.volar",
-    "dbaeumer.vscode-eslint"
+    "dbaeumer.vscode-eslint",
+    "EditorConfig.EditorConfig"
   ]
 }