Initial work on payouts (badges, perms, splits) (#440)

* Initial work on payouts (badges, perms, splits)

* Fix clippy error, bitflag consistency

src/database/models/mod.rs

@@ -28,8 +28,6 @@ pub enum DatabaseError {
     Database(#[from] sqlx::error::Error),
     #[error("Error while trying to generate random ID")]
     RandomId,
-    #[error("Invalid permissions bitflag!")]
-    Bitflag,
     #[error("A database request failed")]
     Other(String),
 }