Update README.md

Initial README.md

Author: samestrin

README.md

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-# url-shortening-api-netlify-edge-supabase
+# url-shortening-api-netlify-edge-supabase
+
+url-shortening-api-netlify-edge-supabase is a URL shortener service. It is a serverless application that provides URL shortening and retrieval functionalities. Utilizing Netlify Edge Functions and Supabase, a cloud-based database, the application offers an efficient and scalable solution for creating short URLs that redirect to the original, longer URLs.
+
+This replaces the legacy [url-shortening-api-netlify-supabase](https://github.com/samestrin/url-shortening-api-netlify-supabase) project.