Adding paramsKeeper.Subspace(icahosttypes.SubModuleName) (#2220)

* Adding `paramsKeeper.Subspace(icahosttypes.SubModuleName)`

Adding `paramsKeeper.Subspace(icahosttypes.SubModuleName)` at `initParamsKeeper` func

* fix spaces

* adding missing paramsKeeper

paramsKeeper.Subspace(icacontrollertypes.SubModuleName)

Co-authored-by: Carlos Rodriguez <carlos@interchain.io>
Co-authored-by: colin axnér <25233464+colin-axner@users.noreply.github.com>
(cherry picked from commit 7b26bda)

Author: RaulBernal

docs/apps/interchain-accounts/integration.md

@@ -122,6 +122,13 @@ app.mm.SetOrderInitGenesis(
     icatypes.ModuleName,
     ...
 )
+
+// initParamsKeeper init params keeper and its subspaces
+func initParamsKeeper(appCodec codec.BinaryCodec, legacyAmino *codec.LegacyAmino, key, tkey sdk.StoreKey) paramskeeper.Keeper {
+    ...
+    paramsKeeper.Subspace(icahosttypes.SubModuleName)
+    paramsKeeper.Subspace(icacontrollertypes.SubModuleName)
+    ...
 ```
 
 ### Using submodules exclusively