dotbot: config, ifplatform, formatting

.editorconfig

@@ -8,8 +8,9 @@ indent_style = space
 insert_final_newline = true
 trim_trailing_whitespace = true
 
-[*.{yaml,yml}]
+[*.yaml,*.yml]
 indent_size = 2
+insert_final_newline = true
 
 [local/bin/antigen.zsh]
 ignore = true