add pre-commit config

backend/src/actions.rs

@@ -1,16 +1,16 @@
 extern crate diesel;
 
 use backend::models::*;
-use diesel::prelude::*;
 use backend::*;
+use diesel::prelude::*;
 
 type DbError = Box<dyn std::error::Error + Send + Sync>;
 
 pub fn list_pictures(conn: &PgConnection) -> Result<Vec<Picture>, DbError> {
     use self::schema::pictures::dsl::*;
-    
+
     Ok(pictures
         .limit(50)
         .order_by(created_at.desc())
         .load::<Picture>(conn)?)
-}
+}