[WIP]feat: support httpclient in config

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 69.23077% with 4 lines in your changes missing coverage. Please review.

Project coverage is 44.12%. Comparing base (d861145) to head (7f55464).

Files	Patch %	Lines
golang/client/client.go	69.23%	4 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #148 +/- ## ========================================== + Coverage 44.09% 44.12% +0.03% ========================================== Files 5 5 Lines 3159 3168 +9 Branches 114 114 ========================================== + Hits 1393 1398 +5 - Misses 1611 1615 +4 Partials 155 155 ``` | [Flag](https://app.codecov.io/gh/aliyun/darabonba-openapi/pull/148/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=aliyun) | Coverage Δ | | |---|---|---| | [golang](https://app.codecov.io/gh/aliyun/darabonba-openapi/pull/148/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=aliyun) | `48.59% <69.23%> (+0.04%)` | :arrow_up: | | [python](https://app.codecov.io/gh/aliyun/darabonba-openapi/pull/148/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=aliyun) | `35.45% <ø> (ø)` | | | [typescript](https://app.codecov.io/gh/aliyun/darabonba-openapi/pull/148/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=aliyun) | `55.98% <ø> (ø)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=aliyun#carryforward-flags-in-the-pull-request-comment) to find out more.

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