Examples: CLI: Help

[blobfish]

I use vsgExamples quite a bit to poke at different parts of vsg. One thing that bothered me, was no help for the options of each example. I grabbed the first example in my list and added a typical help message. I kept it really simple, just dumping strings to std::cout. I am willing to go through all the examples and do something similar. Before I do that, I would like to hear feedback. I am not going through all of these more than once.

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[robertosfield]

When I wrote vsg::ArgumentParser I made a mental note of wanting to come back in the future and add an option for tracking the options and types that are queried and assembling an automated --help implementation.

I have lots of other tasks on my TODO list before I'll get around to this. I'm happy for others to experiment to see what is possible. Perhaps with the advent of AI tools being able to analyze code and report back findings one could get an AI to list all the command line options by just reviewing the code.