feat: refactor to account for updated openAPI schema

* Update the model to handle new changes to schema based on https://github.com/modelcontextprotocol/registry/pull/33

* Made the import script a little simpler.
* Add a new updated seed file
* update template mcp.json file for publisher

internal/api/handlers/v0/servers.go

@@ -13,8 +13,8 @@ import (
 
 // Response is a paginated API response
 type PaginatedResponse struct {
-	Data     []model.Entry `json:"servers"`
-	Metadata Metadata      `json:"metadata,omitempty"`
+	Data     []model.Server `json:"servers"`
+	Metadata Metadata       `json:"metadata,omitempty"`
 }
 
 // Metadata contains pagination metadata