Af cate update delete

[AutumnFoto]

Description

finished implementing update and delete to categories
Fixes # (issue)
#11 #12

Type of change

Please delete options that are not relevant.

• New feature (non-breaking change which adds functionality)

Testing Instructions

git fetch all
git checkout af-cateUpdateDelete

Checklist:

• [x ] My code follows the style guidelines of this project
• [x ] I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• [x ] My changes generate no new warnings or errors
• [ x] I have added test instructions that prove my fix is effective or that my feature works

[LaurelMorrison]

Looks great!!