[Mumbai] Add support in Contract API for Smart_rollup_add_messages

[dsawali]

Add support for the new operation smart_rollup_add_messages in these following providers:

• RpcContractProvider
• EstimateProvider
• PrepareProvider

Additional requirements:

• Update types/interfaces as necessary
• Add unit and integration tests
• Update documentation

example operation result:
https://mumbainet.ecadinfra.com/chains/main/blocks/BLytaxnQyL7B4XASV6PCCc55oBNvWfZAcALgGU5cHv6dcCuk8rK

opHash: op3GFxBQArsgC3eHjEiw4Qp31jHrprKfftcgwibKAwnANpzWncG

[
  {
    "protocol": "PtMumbaiiFFEGbew1rRjzSPyzRbA51Tm3RVZL5suHPxSZYDhCEc",
    "chain_id": "NetXQw6nWSnrJ5t",
    "hash": "op3GFxBQArsgC3eHjEiw4Qp31jHrprKfftcgwibKAwnANpzWncG",
    "branch": "BL7USLDrUeuMzDUX6PdxuCbhngMYCcnmy9WFuotiVRmdBftZeDv",
    "contents": [
      {
        "kind": "smart_rollup_add_messages",
        "source": "tz2Q3yRaczTqZVf3ZQvwiiTqKjhJFyDzeRSz",
        "fee": "398",
        "counter": "12191",
        "gas_limit": "1103",
        "storage_limit": "0",
        "message": [
          "0000000031010000000b48656c6c6f20776f726c6401cc9e352a850d7475bf9b6cf103aa17ca404bc9dd000000000764656661756c74"
        ],
        "metadata": {
          "balance_updates": [
            {
              "kind": "contract",
              "contract": "tz2Q3yRaczTqZVf3ZQvwiiTqKjhJFyDzeRSz",
              "change": "-398",
              "origin": "block"
            },
            {
              "kind": "accumulator",
              "category": "block fees",
              "change": "398",
              "origin": "block"
            }
          ],
          "operation_result": {
            "status": "applied",
            "consumed_milligas": "1002777"
          }
        }
      }
    ],
    "signature": "sigSUjvKxjAZ4dBWbo4idKKwFDVfLtYscMMqHoQY8KgyghtyaswECPaBhjK921vj2uEsdKD7WJTeVVT1ZDcvwp8rkRuEW9kv"
  }
]

[dsawali]

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