feat: implement Entity and Nameserver cards with type safety improvements

- Add EntityCard component to display entity information with handle, roles, and public IDs
- Add NameserverCard component to display nameserver details
- Integrate new cards into Generic component for proper object rendering
- Remove unused dependencies (immutability-helper, type-fest)
- Enhance type safety in LookupInput with Zod validation
- Replace console.log statements with appropriate comments
- Initialize registryDataRef with proper typed default values
- Remove unused code and debug logging from rdap.ts and useLookup hook
- Update Object.entries type definition without external dependency

src/helpers.ts

@@ -1,9 +1,8 @@
 import type { SyntheticEvent } from "react";
-import type { Entries } from "type-fest";
 
 declare global {
 	interface ObjectConstructor {
-		entries<T extends object>(o: T): Entries<T>;
+		entries<T extends object>(o: T): [keyof T, T[keyof T]][];
 	}
 }