fix(docs): parsing error

Author: kesku

docs/showcase/briefo.mdx

@@ -32,7 +32,7 @@ npm install
 ### Environment variables
 
 # .env              (project root)
-MY_SUPABASE_URL=https://<project>.supabase.co
+MY_SUPABASE_URL=https://&lt;project&gt;.supabase.co
 MY_SUPABASE_SERVICE_ROLE_KEY=...
 PERPLEXITY_API_KEY=...
 LINKPREVIEW_API_KEY=...