Small cleanups to IP connection

[bdraco]

• Add more typing
• Add some doc strings
• Avoid async_timeout overhead when waiting for a future

[codecov[bot]]

Codecov Report

Attention: 4 lines in your changes are missing coverage. Please review.

Comparison is base (c244405) 67.99% compared to head (4e9b07b) 67.99%.

:exclamation: Current head 4e9b07b differs from pull request most recent head b7249b9. Consider uploading reports for the commit b7249b9 to get more accurate results

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #338 +/- ## ========================================== - Coverage 67.99% 67.99% -0.01% ========================================== Files 71 71 Lines 6781 6789 +8 ========================================== + Hits 4611 4616 +5 - Misses 2170 2173 +3 ``` | [Files](https://app.codecov.io/gh/Jc2k/aiohomekit/pull/338?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=None) | Coverage Δ | | |---|---|---| | [aiohomekit/controller/ip/connection.py](https://app.codecov.io/gh/Jc2k/aiohomekit/pull/338?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=None#diff-YWlvaG9tZWtpdC9jb250cm9sbGVyL2lwL2Nvbm5lY3Rpb24ucHk=) | `81.00% <90.00%> (-0.46%)` | :arrow_down: |

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[bdraco]

Ran overnight all good 👍