Add Parachain Onboarding to Rococo (#2660)

* Add Parachain Onboarding Pallets to Rococo

* remove propose_parachain

* add back para sudo wrapper

* Revert "remove propose_parachain"

This reverts commit 38b7c33c817964c9f8ad48531a72aede83670291.

* turn propose_parachains into validator_manager

* Update runtime/rococo/src/lib.rs

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* update origin

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

polkadot/bridges/modules/call-dispatch/src/lib.rs

@@ -56,7 +56,7 @@ pub enum CallOrigin<SourceChainAccountId, TargetChainAccountPublic, TargetChainS
 	/// from a derived account.
 	///
 	/// The derived account represents the source Root account on the target chain. This is useful
-	/// if the target chain needs some way of knowing that a call came from a priviledged origin on
+	/// if the target chain needs some way of knowing that a call came from a privileged origin on
 	/// the source chain (maybe to allow a configuration change for example).
 	SourceRoot,
 

polkadot/bridges/primitives/runtime/src/lib.rs

@@ -62,9 +62,9 @@ pub type InstanceId = [u8; 4];
 
 /// Type of accounts on the source chain.
 pub enum SourceAccount<T> {
-	/// An account that belongs to Root (priviledged origin).
+	/// An account that belongs to Root (privileged origin).
 	Root,
-	/// A non-priviledged account.
+	/// A non-privileged account.
 	///
 	/// The embedded account ID may or may not have a private key depending on the "owner" of the
 	/// account (private key, pallet, proxy, etc.).