Add IPC example with Level 0 provider

[vinser52]

Description

This PR adds an example to demonstrate UMF IPC API. Level 0 memory provider is used for demonstration purposes since it is the only provider we have so far that supports IPC functionality.

Ref. #413

Checklist

• Code compiles without errors locally
• All tests pass locally
• CI workflows execute properly

• Extended the README
• All newly added source files have a license
• All newly added source files are referenced in CMake files

[vinser52]

@bratpiorka I think these utility functions can be re-used in the Level Zero provider unit tests. But we can do it in a separate PR.

[vinser52]

Need to coordinate with #384

[bratpiorka]

please add also the web documentation similar to: https://github.com/oneapi-src/unified-memory-framework/blob/main/scripts/docs_config/example-usage.rst

[vinser52]

I want to extend the documentation with more detailed example description.

[bratpiorka]

I want to extend the documentation with more detailed example description.

in this or separate PR? if this please make it a draft

[vinser52]

I want to extend the documentation with more detailed example description.

in this or separate PR? if this please make it a draft

in this PR. And it is already a Draft.

[vinser52]

@bratpiorka Ready for review. I updated the example documentation.

Generated docs preview: https://vinser52.github.io/unified-memory-framework/examples.html#ipc-example-with-level-zero-memory-provider

[bratpiorka]

@vinser52 great, I like it