Add docs for the servers sub-module of groups

src/groups/servers/events.rs

@@ -1,3 +1,5 @@
+//! The event handlers for the servers sub-module.
+
 use std::sync::Arc;
 
 use async_trait::async_trait;
@@ -14,6 +16,7 @@ use crate::{
     state::State,
 };
 
+/// Adds servers to the DB when they get created.
 #[derive(Debug)]
 pub struct ServerCreateHandler;
 
@@ -43,6 +46,7 @@ impl OnServerCreateHandler<State> for ServerCreateHandler {
     }
 }
 
+/// Updates DB server data when a server gets updated.
 #[derive(Debug)]
 pub struct ServerUpdateHandler;
 
@@ -74,6 +78,7 @@ impl OnServerUpdateHandler<State> for ServerUpdateHandler {
     }
 }
 
+/// Deletes servers from the DB when they get deleted or payphone is kicked.
 #[derive(Debug)]
 pub struct ServerDeleteHandler;
 

src/groups/servers/mod.rs

@@ -1 +1,6 @@
+//! Payphone's Discord server-related features.
+//!
+//! This sub-module is responsible for registering servers in the database, updating them when they
+//! update, and removing them when they get deleted or Payphone is kicked.
+
 pub mod events;