Added config directions for Lazy.nvim package manager

[Normanras]

Description

I added the configuration/addition directions for using the lazy.nvim package manager.

Fixes # (issue)

Didn't see the request in issues.

Type of change

• This change requires a documentation update

Sort of, this change is a documentation update to the main README.

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list relevant details about your configuration

Used MarkdownPreview to test and ensure correct spacing and stylistic alignment.

Configuration:

• Neovim version (nvim --version): 0.8.3
• Operating system and version: Mac M1 - Ventura 13.0.1

Checklist:

• [ X ] My code follows the style guidelines of this project (stylua)
• [ X ] I have performed a self-review of my own code
• [ X ] I have commented my code, particularly in hard-to-understand areas
• [ X ] I have made corresponding changes to the documentation (lua annotations)

[Conni2461]

thanks :)