[FEATURE]: add random term button

### Is this a unique feature/idea?

- [x] I have checked "open" AND "closed" issues and this is not a duplicate

### Is your feature request related to a problem/unavailable functionality? Please describe.

Add “I’m Feeling Lucky” button to jump to a random jargon

### Proposed Solution

Add a button in the main page

### Screenshots

_No response_

### Do you want to work on this issue?

No

### If "yes" to above, please explain how you would technically implement this

_No response_

Start at the main page entry point and inspect how jargon terms are loaded and displayed. Add the proposed “I’m Feeling Lucky” button so it navigates to a random jargon term, then verify the button works from the main page; the payload names no specific file or test.

Written by the indexing model from the issue text.