feat: Add citizenship NFT workflow and wallet enhancements

- Add BeCitizen page with citizenship application workflow
- Add NftList component to display Tiki role NFTs
- Implement citizenship crypto and workflow utilities
- Add wallet score tracking and calculation
- Update WalletDashboard to display NFTs and scores
- Update AccountBalance and AppLayout for better UX
- Enhance PolkadotContext with Tiki pallet integration
- Clean up temporary debugging scripts

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/contexts/PolkadotContext.tsx

@@ -23,7 +23,7 @@ interface PolkadotProviderProps {
 
 export const PolkadotProvider: React.FC<PolkadotProviderProps> = ({
   children,
-  endpoint = 'wss://beta.pezkuwichain.io' // Beta testnet RPC
+  endpoint = 'wss://beta-rpc.pezkuwi.art' // Beta testnet RPC
 }) => {
   const [api, setApi] = useState<ApiPromise | null>(null);
   const [isApiReady, setIsApiReady] = useState(false);