add DisableSsl to config

[codecov[bot]]

Codecov Report

Patch coverage: 8.33% and project coverage change: +0.10 :tada:

Comparison is base (c885775) 32.77% compared to head (1338bb5) 32.87%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #225 +/- ## ========================================== + Coverage 32.77% 32.87% +0.10% ========================================== Files 5 5 Lines 656 657 +1 ========================================== + Hits 215 216 +1 Misses 389 389 Partials 52 52 ``` | [Impacted Files](https://app.codecov.io/gh/FISCO-BCOS/go-sdk/pull/225?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=FISCO-BCOS) | Coverage Δ | | |---|---|---| | [client/config.go](https://app.codecov.io/gh/FISCO-BCOS/go-sdk/pull/225?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=FISCO-BCOS#diff-Y2xpZW50L2NvbmZpZy5nbw==) | `0.00% <ø> (ø)` | | | [client/connection.go](https://app.codecov.io/gh/FISCO-BCOS/go-sdk/pull/225?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=FISCO-BCOS#diff-Y2xpZW50L2Nvbm5lY3Rpb24uZ28=) | `33.33% <8.33%> (+0.26%)` | :arrow_up: |

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