Extract peers grid topology related code to a separate unit (#5365)

* Initial attempt to extract grid topology related code

* Use shared code in the approval distribution subsystem

* Fix spellcheck issues

* Moe Aggression stuff back to the approval-distribution subsystem

* Cargo fmt

polkadot/scripts/gitlab/lingua.dic

@@ -1,4 +1,5 @@
 150
+2D
 A&V
 accessor/MS
 AccountId
@@ -270,6 +271,7 @@ tera/M
 teleports
 timeframe
 timestamp/MS
+topologies
 tradeoff
 transitionary
 trie/MS