Update iden3 and Polygon ID did-method contact and website

[ottomorac]

DID Method Registration

As a DID method registrant, I have ensured that my DID method registration complies with the following statements:

• The DID Method specification defines the DID Method Syntax.
• [ x ] The DID Method specification defines the Create, Read, Update, and Deactivate DID Method Operations.
• [ x ] The DID Method specification contains a Security Considerations section.
• [ x ] The DID Method specification contains a Privacy Considerations section.
• [ x ] The JSON file I am submitting has passed all automated validation tests below.
• [ ] The JSON file contains a contactEmail address [OPTIONAL].
• [ x ] The JSON file contains a verifiableDataRegistry entry [OPTIONAL].

[ottomorac]

Hello @MizukiSonoko -San and @genaris

Good day. Would appreciate your review on this PR that updates the contact info and website for the iden3 and Polygon ID did-methods.

Thank you!

[gatemezing]

The did method meets the minimal requirement