ethereum-org-website Update Web3Auth Data

This PR Updates the details for Web3Auth.

Description

As we checked the details mentioned for Web3Auth in the Ethereum Website, we had a few suggested changes according to the actual features of Web3Auth. This PR adds those changes. The changes are explained as follows:

The languages supported have been updated according to this documentation: https://web3auth.io/docs/whitelabel/user-flow-screens#defaultlanguage
We have a range of SDK for each and every platform, details are mentioned here:
- Web3Auth iOS SDK: https://web3auth.io/docs/sdk/ios/
- Web3Auth Android SDK: https://web3auth.io/docs/sdk/android/
- Unity SDK and the Web3Auth Self Host SDK is used for Windows and MacOS integrations:
  - https://web3auth.io/docs/sdk/unity/
  - https://web3auth.io/docs/sdk/self-host/installation
For firefox and chrome extensions, Web3Auth main SDK and self host SDK are used. We even have a dedicated chrome extension module in the self host SDK
- https://web3auth.io/docs/sdk/web/core/
- https://web3auth.io/docs/sdk/self-host/modules/chrome-storage
Web3Auth is fully non custodial. We have multiple documentations around it. Even one of the wallets mentioned in this documentation as non custodial (Sequence Wallet) uses web3auth as their key management architecture.
- https://web3auth.io/docs/overview/what-is-web3auth#features
- https://web3auth.io/docs/overview/how-web3auth-works
- https://web3auth.io/docs/overview/key-management/#non-custodial
- https://web3auth.io/docs/overview/user-flow
- https://web3auth.io/docs/examples/liveexamples - You can check Skyweaver, ie. Sequence Wallet here
Torus Security Audit link was mentioned instead of Web3Auth, this updates it to Web3Auth link.
Hardware key management is supported through Web3Auth Self Host, this module enables that: https://web3auth.io/docs/sdk/self-host/modules/share-transfer
Also Updates the onboarding and developer documentation links for Web3Auth.