Update dotbit.json

[zgayjjf]

As .bit has rebranded to d.id, we need to update the information as well.

Referrence: .bit Rebrands to d.id

DID Method Registration

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

• [x] 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.
• [x] The JSON file contains a contactEmail address [OPTIONAL].
• [x] The JSON file contains a verifiableDataRegistry entry [OPTIONAL].

[msporny]

New DID Method review volunteers, please review this DID Method.

/cc @apuchitnis @stenreijers @gatemezing @esaung @michallis @richardwinputra @adam-burns @Steffytan @MizukiSonoko @rajivrajani @genaris @harleyjackthomas @ajile-in @KDean-Dolphin

[msporny]

Re-ping, need another review here: @apuchitnis @stenreijers @gatemezing @esaung @michallis @richardwinputra @adam-burns @Steffytan @MizukiSonoko @rajivrajani @genaris @harleyjackthomas @ajile-in @KDean-Dolphin