feat: skip config creation if one already found (#110)

This commit introduces mechanism that'll check for common configuration file locations and respects the original file.

.editorconfig

@@ -10,6 +10,7 @@ indent_size = 2
 indent_style = space
 insert_final_newline = true
 trim_trailing_whitespace = true
+max_line_length = 120
 
 [*.md]
 max_line_length = off