[RPC] Unify view types with StrView

[jolestar]

Summary

1. Define H256View = StrView, H160View = StrView, H64 = StrView, IdentifierView = StrView
2. Define BytesView = StrView<Vec>, and remove Bytes.
3. Change u64 and u128 in RPC method arguments to StrView, StrView
4. Remove net_version API and add eth namespace.
5. Add StrView test cases.

• Closes [Review] Use StrView<T> to replace H256View, H64View. etc  #976

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1 Ignored Deployment

Name	Status	Preview	Comments	Updated (UTC)
rooch	⬜️ Ignored (Inspect)	Visit Preview		Oct 16, 2023 8:17am

[baichuan3]

Encounter an bad case after change u64 and u128 in RPC method arguments to StrView, StrView.

Either pass the integer type directly, or support both integer and string types?

curl --location 'http://localhost:50051' \
--header 'Content-Type: application/json' \
--data '{
    "id": 101,
    "jsonrpc": "2.0",
    "method": "rooch_getEventsByEventHandle",
    "params": [
        "0x4b1b5d2a62f3c9a19a5314167439945bf98fbc871e1402e36d5bad3382064c56::event_test::WithdrawEvent", null, 5
    ]
}'

{
    "jsonrpc": "2.0",
    "error": {
        "code": -32602,
        "message": "invalid type: integer `5`, expected a string at line 1 column 2"
    },
    "id": 101
}

[jolestar]

Need to change 5 to "5"