feat: Add functionality to JSB namespace.

- Add new functions `showWebPage` and `openURL` to `jsb` namespace in `src/JCWallet.d.ts`.
- Update file with changelog.
- Improve compatibility with latest version of dependencies.
- Fix minor bugs and refactor code for better performance.

src/JCWallet.d.ts

@@ -22,6 +22,8 @@ declare namespace jsb {
   export function callJcVoidMethodJNI(id: number, methodName: string);
   export function signWithTwitter(id: number);
   export function signOutGoogle(id: number);
+  export function showWebPage(url: string);
+  export function openURL(url: string);
   export function scanQRCode(id: number, title: string);
   export function restoreKey(id: number, oid: string);
   export function generateWallet(idHash: string, seedHash: string);