Node: Add wormchain deploy admin commands

[bruce-riley]

This PR adds guardiand commands to generate prototxt for the Wormchain deploy commands:

$ build/bin/guardiand template wormchain-store-code --wasm-hash c9262d14fd2f5fe7ca2c272be609be2b25a22f10afe79b4726941da51eb27489
current_set_index:  3
messages:  {
  sequence:  21314180802357929
  nonce:  456824973
  wormchain_store_code:  {
    wasm_hash:  "c9262d14fd2f5fe7ca2c272be609be2b25a22f10afe79b4726941da51eb27489"
  }
}
$ build/bin/guardiand template wormchain-instantiate-contract --code-id 5 --label ibcReceiver --instantiation-msg "{}"
current_set_index:  3
messages:  {
  sequence:  13300675307875321402
  nonce:  3949257006
  wormchain_instantiate_contract:  {
    code_id:  5
    label:  "ibcReceiver"
    instantiation_msg:  "{}"
  }
}
$ build/bin/guardiand template wormchain-migrate-contract --code-id 5 --contract-address wormhole1nc5tatafv6eyq7llkr2gv50ff9e22mnf70qgjlv737ktmt4eswrq0kdhcj --instantiation
-msg "{}"
current_set_index:  3
messages:  {
  sequence:  3161097595250295933
  nonce:  1174708629
  wormchain_migrate_contract:  {
    code_id:  5
    contract:  "wormhole1nc5tatafv6eyq7llkr2gv50ff9e22mnf70qgjlv737ktmt4eswrq0kdhcj"
    instantiation_msg:  "{}"
  }
}
$