Added export project method and unit tests

[anskhanson]

Checklist:

• Run unit tests and make sure they all pass
• Check and fix style errors
  - pre-commit command line check
  - Problems tab in PyCharm
• Bench test new/modified APIs by using and modifying the code in the example for the API method
• [n/a] Add new classes to rst files, located at: \doc\source\api
• Generate documentation
• Verify the HTML. It gets generated at: \doc\build\html.
  - Open index.html
  - Click on "API Reference" at the top.
  - Verify HTML for API changes.
• Check that test code coverage is at least 80% when Sherlock is running and can be connected to using gRPC

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 66.66667% with 8 lines in your changes are missing coverage. Please review.

Project coverage is 57.29%. Comparing base (d07b4ae) to head (271e40f).

Files	Patch %	Lines
src/ansys/sherlock/core/project.py	57.89%	8 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #288      +/-   ##
==========================================
+ Coverage   57.23%   57.29%   +0.05%     
==========================================
  Files          21       21              
  Lines        3926     3950      +24     
==========================================
+ Hits         2247     2263      +16     
- Misses       1679     1687       +8     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.