Retrive user cvs#95

[CharlesKimMaina]

Title : Endpoint to retrieve the last uploaded CVs #95

Description : One can retrieve from the DB a list the 3 last upload CVs or All the whole list (limit to 20), so that you can view them on Frontend.

Fixes # 95

How to test?

On backend Testing,., I joined users and cv tables, I created new usercv router and usercv controller. I also limit the cvs numbers to be fetched from backend to max 20 cvs. see joined table below;

Checklist

• [*] I have performed a self-review of my own code
• [*] I have commented my code, particularly in hard-to-understand areas
• [*] I have made corresponding changes to the documentation
• [*] This PR is ready to be merged and not breaking any other functionality

[CharlesKimMaina]

This PR is no longer needed,.,. we are using the the older PR already in Develop, Thanks