refactor: Consolidate hierarchy and summary logic in a new service

src/service/services.rs

@@ -101,11 +101,11 @@ impl Services {
 				read_receipt: build!(rooms::read_receipt::Service),
 				search: build!(rooms::search::Service),
 				short: build!(rooms::short::Service),
-				spaces: build!(rooms::spaces::Service),
 				state: build!(rooms::state::Service),
 				state_accessor: build!(rooms::state_accessor::Service),
 				state_cache: build!(rooms::state_cache::Service),
 				state_compressor: build!(rooms::state_compressor::Service),
+				summary: build!(rooms::summary::Service),
 				threads: build!(rooms::threads::Service),
 				timeline: build!(rooms::timeline::Service),
 				typing: build!(rooms::typing::Service),