added tutorial and images for it

[abhisomala]

Describe your changes

This is a tutorial for connecting GPT4ALL with Obsidian which is a note taking software. It is kindof like notion.

Issue ticket number and link

Checklist before requesting a review

• [X] I have performed a self-review of my code.
• [X] If it is a core feature, I have added thorough tests.
• [X] I have added thorough documentation for my code.
• [X] I have tagged PR with relevant project labels. I acknowledge that a PR without labels may be dismissed.
• [X] If this PR addresses a bug, I have provided both a screenshot/video of the original bug and the working solution.

Demo

Steps to Reproduce

Notes