:sparkles: Add graceful

[codecov[bot]]

Codecov Report

Patch coverage: 100.00% and project coverage change: +0.34% :tada:

Comparison is base (b35e3ec) 52.89% compared to head (d494877) 53.24%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #176 +/- ## ========================================== + Coverage 52.89% 53.24% +0.34% ========================================== Files 116 117 +1 Lines 6019 6063 +44 ========================================== + Hits 3184 3228 +44 Misses 2572 2572 Partials 263 263 ``` | Flag | Coverage Δ | | |---|---|---| | unit-test-mysql | `53.24% <100.00%> (+0.34%)` | :arrow_up: | | unit-test-postgresql | `53.24% <100.00%> (+0.34%)` | :arrow_up: | | unit-test-sqlite3 | `53.24% <100.00%> (+0.34%)` | :arrow_up: | 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=go-sigma#carryforward-flags-in-the-pull-request-comment) to find out more. | [Files Changed](https://app.codecov.io/gh/go-sigma/sigma/pull/176?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=go-sigma) | Coverage Δ | | |---|---|---| | [pkg/graceful/graceful.go](https://app.codecov.io/gh/go-sigma/sigma/pull/176?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=go-sigma#diff-cGtnL2dyYWNlZnVsL2dyYWNlZnVsLmdv) | `100.00% <100.00%> (ø)` | |

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