reorder imports

src/main.rs

@@ -34,17 +34,18 @@ future improvements:
  */
 // Import other .rs files as modules
 mod key_value;
-use email::{Email, SimpleEmail};
 use key_value::KeyValueStore as KV;
 mod config_spec;
 use config_spec::{CfgField, CfgGroup, CfgSpec};
+
+pub mod variables_and_settings;
+
 mod email;
+use email::{Email, SimpleEmail};
 mod hedgedoc;
 use hedgedoc::HedgeDoc;
 mod mediawiki;
 
-pub mod variables_and_settings;
-
 use std::borrow::Cow;
 use std::env;
 use std::error::Error;