Migrate AWS Lambda functions to Supabase Edge Functions

[ilbertt]

In order to have a consistent environment that can be replicated easily, since we already have the backend on Supabase, we should move AWS Lambda functions to Supabase Edge Functions.
Limitations could be:

• for smart-contract-api, the NFT certificate file cannot be saved in the file system, see https://supabase.com/docs/guides/functions/quickstart#limitations