refactor: initialize supabase flutter dependency

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Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 78.36%. Comparing base (4908db9) to head (10fc2a6).

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## refactor/seribase #156 +/- ## ================================================== Coverage 78.36% 78.36% ================================================== Files 42 42 Lines 1225 1225 ================================================== Hits 960 960 Misses 265 265 ``` | [Flag](https://app.codecov.io/gh/peltops/e-imunisasi/pull/156/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=peltops.com) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/peltops/e-imunisasi/pull/156/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=peltops.com) | `78.36% <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=peltops.com#carryforward-flags-in-the-pull-request-comment) to find out more.

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