update project config files

.editorconfig

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

.prettierrc.yaml

@@ -0,0 +1,10 @@
+arrowParens: avoid
+bracketSpacing: true
+endOfLine: lf
+printWidth: 80
+quoteProps: as-needed
+semi: true
+singleQuote: false
+tabs: false
+tabWidth: 2
+trailingComma: all

.vscode/settings.json

@@ -0,0 +1,6 @@
+{
+  "deno.enable": true,
+  "deno.import_map": "import_map.json",
+  "editor.defaultFormatter": "esbenp.prettier-vscode",
+  "editor.formatOnSave": true
+}