feat: implement starting collator local node with custom keys

[abhiyana]

Description:

Commit Message

feat: implement starting collator local node with custom keys

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Changelog Entry

1: user can start polkadot/kusama local parachain collator node with his own keys

Checklist:

• [x] I have performed a self-review of my own code
• [x] I have documented my code in accordance with the documentation guidelines
• [x] My changes generate no new warnings
• [ ] I have added tests that prove my fix is effective or that my feature works
• [ ] I have run the unit tests
• [ ] I only have one commit (if not, squash them into one commit).
• [x] I have a descriptive commit message that adheres to the commit message guidelines

Please review the CONTRIBUTING.md file for detailed contributing guidelines.

[codecov-commenter]

Codecov Report

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

Comparison is base (06d1540) 12.40% compared to head (20c922a) 12.40%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #363 +/- ## ======================================= Coverage 12.40% 12.40% ======================================= Files 11 11 Lines 1177 1177 ======================================= Hits 146 146 Misses 1019 1019 Partials 12 12 ```

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