feat: use global variable and helper script

font-size/.editorconfig

@@ -0,0 +1,17 @@
+root = true
+
+[*]
+indent_style = tab
+tab_width = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[{*.yml,*.yaml}]
+indent_style = space
+indent_size = 2
+
+[*.md]
+indent_style = space
+indent_size = 4