fixed missed installation of the .yaml parameters file

[AlessandroMelone]

In the section "2.2 Loading parameters from YAML file", it was missing the necessity of installing the .yaml file. Missing that step, I was not generating the .yaml file in the /install folder, and therefore getting a runtime error. I tested what is written in C++.

I was able to understand the solution to my problem thanks to this guide https://roboticsbackend.com/ros2-yaml-params/

[fujitatomoya]

@AlessandroMelone thanks i have one comment, once it is resolved i will approve and check the html.

[clalancette]

@AlessandroMelone Friendly ping to deal with @fujitatomoya's latest comments.

[AlessandroMelone]

@clalancette I accepted @fujitatomoya changes. Let me know if there is something else to do. Thank you

[MichaelOrlov]

@clalancette Friendly ping for review.

[clalancette]

So I believe that this was actually obsoleted by #4454 . So I'm going to go ahead and close this, but feel free to reopen if you disagree.