fix: update README layout and branding per feedback

- Move logo to the top of the README
- Change title to 'Welcome to Medusa Forms by Lambda Curry!'
- Add link to https://lambdacurry.dev in Lambda Curry subtext

Author: codegen-sh[bot]

README.md

@@ -1,9 +1,9 @@
-# Lambda Curry Medusa Forms
-
 <div align="center">
 
 ![Lambda Curry Logo](https://lambdacurry.dev/favicon.ico)
 
+# Welcome to Medusa Forms by Lambda Curry!
+
 **Digital products made easy**
 
 *Controlled form components for Medusa Admin and Medusa UI applications*