PUB guide would benefit from more examples

[Eric-Arellano]

URL to the relevant guide or resource

https://quantum.cloud.ibm.com/docs/en/guides/primitive-input-output

Select all that apply

• new content request
• typo
• code bug
• out-of-date content
• broken link
• other

Describe the fix or the content request.

PUBs are extremely important to our platform. It would help to give many more examples of PUBs, like simple ones and complex ones. That would help to make the interface more concrete.

For new content requests - if the request is accepted, do you want to write the content?

I only want to review the material when it's finished