Add constructor-based provider registration

[codecov[bot]]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (48d1848) 100.00% compared to head (a3dd24c) 100.00%.

:exclamation: Current head a3dd24c differs from pull request most recent head 7fc2d44. Consider uploading reports for the commit 7fc2d44 to get more accurate results

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #49 +/- ## ========================================= Coverage 100.00% 100.00% ========================================= Files 6 6 Lines 526 529 +3 ========================================= + Hits 526 529 +3 ``` | [Files Changed](https://app.codecov.io/gh/antonrh/pyxdi/pull/49?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Anton+Ruhlov) | Coverage Δ | | |---|---|---| | [pyxdi/core.py](https://app.codecov.io/gh/antonrh/pyxdi/pull/49?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Anton+Ruhlov#diff-cHl4ZGkvY29yZS5weQ==) | `100.00% <100.00%> (ø)` | |

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