IRTK_Learning_Path initial commit

Description

Add of IRTK_Learning_Path folder inside of RenderingToolkit

Administrative

[ ] Review sample design with the appropriate Domain Expert:
[X] If you have any new dependencies/binaries, inform the oneAPI Code Samples Project Manager The dependencies are stb and pillow

Code Development

[ ] Implement coding guidelines and ensure code quality. see wiki for details
[ ] Adhere to readme template
[ ] Enforce format via clang-format config file
[X] Adhere to sample.json specification. https://github.com/oneapi-src/oneAPI-samples/wiki/sample-json-specification
[ ] Ensure/create CI test configurations for sample (ciTests field) https://github.com/oneapi-src/oneAPI-samples/wiki/sample-json-ci-test-object
[ ] Run jsonlint on sample.json to verify json syntax. www.jsonlint.com

Security and Legal

[X] OSPDT Approval (see Project Manager for assistance)
[ ] Compile using the following compiler flags and fix any warnings, the falgs are: "/Wall -Wformat-security -Werror=format-security"
[ ] Bandit Scans (Python only)
[ ] Virus scan

Review