add .prettierrc

.editorconfig

@@ -9,5 +9,8 @@ indent_style = space
 indent_size = 2
 max_line_length = 78
 
+[.prettierrc]
+indent_style = tab
+
 [{LICENSE,*.{markdown,md}}]
 trim_trailing_whitespace = false

.prettierrc

@@ -0,0 +1,7 @@
+{
+	"insertPragma": true,
+	"proseWrap": "always",
+	"singleAttributePerLine": true,
+	"plugins": ["prettier-plugin-sh"],
+	"overrides": [{ "files": ".prettierrc", "options": { "parser": "json" } }]
+}