feat(core): implement server ban

closes #274

crates/core/models/src/v0/mod.rs

@@ -5,6 +5,7 @@ mod channel_webhooks;
 mod channels;
 mod emojis;
 mod files;
+mod server_bans;
 mod server_members;
 mod servers;
 mod user_settings;
@@ -17,6 +18,7 @@ pub use channel_webhooks::*;
 pub use channels::*;
 pub use emojis::*;
 pub use files::*;
+pub use server_bans::*;
 pub use server_members::*;
 pub use servers::*;
 pub use user_settings::*;