chore(doc): implement remainder of documentation

src/routes/servers/member_fetch.rs

@@ -4,6 +4,10 @@ use revolt_quark::{
 };
 use rocket::serde::json::Json;
 
+/// # Fetch Member
+///
+/// Retrieve a member.
+#[openapi(tag = "Server Members")]
 #[get("/<target>/members/<member>")]
 pub async fn req(db: &Db, user: User, target: Ref, member: Ref) -> Result<Json<Member>> {
     let server = target.as_server(db).await?;