tcloud-im-api 0.2.1

a rust implement tcloud im api
Documentation
# tcloud-im-api
rust实现的腾讯云IM接口SDK

+ 账号
+ 消息

## Usage
```rust
use tcloud-im-api as api

async fn do_request() {
    let sdkappid = 000000000;
    let manager_identifier = "your_identifier";
    let key = "your_key";

    let client = Clientx::new(sdkappid, manager_identifier, key);
    let resp = client.account().import(account::Account{
        face_url: "https://xxx.xxx".to_owned(),
        nick: "a name".to_owned(),
        identifier: "identifier".to_owned()
    }).await?;
}

```