feat: add ``export_to`` functions

[RobPasMue]

Description

Adding export_to_* functions to simplify the process for end users.

Issue linked

Closes #1130

Checklist

• [X] I have tested my changes locally.
• [X] I have added necessary documentation or updated existing documentation.
• [X] I have followed the coding style guidelines of this project.
• [X] I have added appropriate unit tests.
• [X] I have reviewed my changes before submitting this pull request.
• [X] I have linked the issue or issues that are solved to the PR if any.
• [X] I have assigned this PR to myself.
• [X] I have added the minimum version decorator to any new backend method implemented.
• [X] I have made sure that the title of my PR follows Conventional commits style (e.g. feat: extrude circle to cylinder)

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 97.22222% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 90.75%. Comparing base (9757402) to head (fd77ffe).

Files	Patch %	Lines
src/ansys/geometry/core/designer/design.py	97.22%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1147 +/- ## ========================================== + Coverage 90.72% 90.75% +0.02% ========================================== Files 93 93 Lines 6933 6964 +31 ========================================== + Hits 6290 6320 +30 - Misses 643 644 +1 ```

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