Implement Unique Restaurant Links for Improved Accessibility of Websites.

Issue: Implement Unique Restaurant Links for Improved Accessibility
Description:
In current system, restaurants do not have unique and user-friendly links. Instead, they are assigned random, code-based URLs, such as www.entega.com/shdhsdb1233. You need to implement a feature that provides each restaurant with a unique, custom link like www.entega.com/bakershop, which is more accessible and user-friendly.

Impact:
User Accessibility: Unique and memorable links make it easier for customers to find and access specific restaurants, improving the user experience.

Branding and Marketing: Custom restaurant links can be used in marketing and branding efforts, increasing the restaurant's visibility and recognition.

Steps to Reproduce:
Access the restaurant listings on your platform.
Observe that restaurants are assigned random, code-based URLs.
Attempt to locate a feature that allows for the creation of custom, unique restaurant links.
Expected Resolution:
You should implement a feature that provides each restaurant with a custom, unique link, making it more accessible and user-friendly. This feature will enhance user experience, improve restaurant branding, and assist in marketing efforts.

The issue names no files, tests, or entry points, so first trace how restaurant listings currently construct and resolve their random URLs. Clarify how custom links are created and handled, including uniqueness, then verify that each restaurant can be reached through a stable, user-friendly link without breaking existing access.

Written by the indexing model from the issue text.