add mypy, adjust ruff rules, and finish remaning tests

[codecov[bot]]

Codecov Report

Patch coverage: 100.00% and project coverage change: +4.28% :tada:

Comparison is base (7b34e9d) 95.71% compared to head (0999ba3) 100.00%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #12 +/- ## =========================================== + Coverage 95.71% 100.00% +4.28% =========================================== Files 7 7 Lines 257 245 -12 =========================================== - Hits 246 245 -1 + Misses 11 0 -11 ``` | [Files Changed](https://app.codecov.io/gh/dalinicus/homeassistant-aerogarden/pull/12?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Ryan+Mattson) | Coverage Δ | | |---|---|---| | [custom\_components/aerogarden/\_\_init\_\_.py](https://app.codecov.io/gh/dalinicus/homeassistant-aerogarden/pull/12?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Ryan+Mattson#diff-Y3VzdG9tX2NvbXBvbmVudHMvYWVyb2dhcmRlbi9fX2luaXRfXy5weQ==) | `100.00% <100.00%> (ø)` | | | [custom\_components/aerogarden/aerogarden.py](https://app.codecov.io/gh/dalinicus/homeassistant-aerogarden/pull/12?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Ryan+Mattson#diff-Y3VzdG9tX2NvbXBvbmVudHMvYWVyb2dhcmRlbi9hZXJvZ2FyZGVuLnB5) | `100.00% <100.00%> (+18.18%)` | :arrow_up: | | [custom\_components/aerogarden/binary\_sensor.py](https://app.codecov.io/gh/dalinicus/homeassistant-aerogarden/pull/12?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Ryan+Mattson#diff-Y3VzdG9tX2NvbXBvbmVudHMvYWVyb2dhcmRlbi9iaW5hcnlfc2Vuc29yLnB5) | `100.00% <100.00%> (ø)` | | | [custom\_components/aerogarden/client.py](https://app.codecov.io/gh/dalinicus/homeassistant-aerogarden/pull/12?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Ryan+Mattson#diff-Y3VzdG9tX2NvbXBvbmVudHMvYWVyb2dhcmRlbi9jbGllbnQucHk=) | `100.00% <100.00%> (+2.04%)` | :arrow_up: | | [custom\_components/aerogarden/config\_flow.py](https://app.codecov.io/gh/dalinicus/homeassistant-aerogarden/pull/12?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Ryan+Mattson#diff-Y3VzdG9tX2NvbXBvbmVudHMvYWVyb2dhcmRlbi9jb25maWdfZmxvdy5weQ==) | `100.00% <100.00%> (ø)` | | | [custom\_components/aerogarden/sensor.py](https://app.codecov.io/gh/dalinicus/homeassistant-aerogarden/pull/12?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Ryan+Mattson#diff-Y3VzdG9tX2NvbXBvbmVudHMvYWVyb2dhcmRlbi9zZW5zb3IucHk=) | `100.00% <100.00%> (ø)` | |

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