fixed further formatting in configuration part

README.md

@@ -53,10 +53,15 @@ The example configuration file looks like this:
 And here is what the fields mean:
 
 `upload_folder` - the folder where the uploads will be stored
+
 `max_file_size` - maximum upload file size in bytes
+
 `expiration_time` - how long files take to expire in seconds
+
 `data_file` - sqlite3 database file
+
 `base_url` - your domain url
+
 `name` - what your website is called (doesn't have to be same as domain name)
 
 #### Reverse proxy