fix readme url

Author: mk668a

README.md

@@ -53,7 +53,7 @@ generated/
     └── users.service.ts
 ```
 
-<a href="https://github.com/mk668a/nestjs-prisma-graphql-crud-gen/tree/main/packages/usage/generated">Sample results here</a>
+<a href="https://github.com/mk668a/nestjs-prisma-graphql-crud-gen/tree/main/usage/generated">Sample results here</a>
 
 # Sample Project
 

packages/generator/README.md

@@ -50,7 +50,7 @@ generated/
     └── users.service.ts
 ```
 
-<a href="https://github.com/mk668a/nestjs-prisma-graphql-crud-gen/tree/main/packages/usage/generated">Sample results here</a>
+<a href="https://github.com/mk668a/nestjs-prisma-graphql-crud-gen/tree/main/usage/generated">Sample results here</a>
 
 # Sample Project