Add initialize multisig helpers

Author: febo

programs/token-2022/src/instructions/initialize_multisig_2.rs

@@ -16,7 +16,7 @@ use crate::instructions::MAX_MULTISIG_SIGNERS;
 /// ### Accounts:
 ///   0. `[writable]` The multisig account to initialize.
 ///   1. `..+N` `[]` The `N` signer accounts, where `N` is `1 <=
-///      N <= 11`.
+///      N <= 11`
 pub struct InitializeMultisig2<'a, 'b, 'c>
 where
     'a: 'b,