Utilities documentation

[Vishwas-Adiga]

Description

Added documentation for all components in the utilities category (except Cryptography)

Types of changes:

• [ ] Correct a spelling
• [x] Add new information
• [X] Change information

Checklist:

• [X] I have proofread the changes. (Spellings, grammar, etc)
• [X] I have read the CONTRIBUTING document.