Add new wallet integrations and update context handling

- Introduced support for new wallets: intear, hot, and okx.
- Updated BitteWalletContext to include a wallets array for better flexibility.
- Refactored wallet setup logic to accommodate the new wallet types.
- Adjusted the supported wallets structure to use a record for easier access.

Author: sainthiago

package.json

@@ -49,9 +49,12 @@
     "@bitte-ai/wallet": "0.8.2",
     "@near-wallet-selector/core": "^9.5.1",
     "@near-wallet-selector/here-wallet": "^9.5.1",
+    "@near-wallet-selector/hot-wallet": "^9.5.1",
+    "@near-wallet-selector/intear-wallet": "^9.5.1",
     "@near-wallet-selector/meteor-wallet": "^9.5.1",
     "@near-wallet-selector/modal-ui": "^9.5.1",
     "@near-wallet-selector/my-near-wallet": "^9.5.1",
+    "@near-wallet-selector/okx-wallet": "^9.5.1",
     "buffer": "^6.0.3",
     "react": "^19.1.1",
     "react-dom": "^19.1.1"