docs: cache-wrapping and virtual store (#8102)

* docs: cache-wrapping and virtual store

* Finish the docs update

* Update docs/building-modules/msg-services.md

Co-authored-by: Amaury <amaury.martiny@protonmail.com>

* Update docs/building-modules/msg-services.md

Co-authored-by: Aleksandr Bezobchuk <alexanderbez@users.noreply.github.com>

Co-authored-by: Amaury <amaury.martiny@protonmail.com>
Co-authored-by: Aleksandr Bezobchuk <alexanderbez@users.noreply.github.com>

store/mem/store.go

@@ -35,7 +35,7 @@ func (s Store) GetStoreType() types.StoreType {
 	return types.StoreTypeMemory
 }
 
-// CacheWrap cache wraps the underlying store.
+// CacheWrap branches the underlying store.
 func (s Store) CacheWrap() types.CacheWrap {
 	return cachekv.NewStore(s)
 }