feat(bonfire): add disconnection mechanism

feat(bonfire): handle session deletion and logout events
feat(core): trigger logout on bot token reset

crates/bonfire/Cargo.toml

@@ -34,6 +34,7 @@ async-std = { version = "1.8.0", features = [
 ] }
 
 # core
+authifier = { version = "1.0.8" }
 revolt-result = { path = "../core/result" }
 revolt-models = { path = "../core/models" }
 revolt-config = { path = "../core/config" }