Correction of all the Methodologies with new DID Spec

[prernaadev01]

Problem description

As we have more than 60 methodologies in Methodology Library in Open source Github repository. These all methodologies are developed using our old DID (Decentralized Identifiers).
After our implementation on ticket : #2211, old methodologies will not be functional completely as DIDs will not be acceptable.

Requirements

1. We need to implement and correct all the methodologies added with new DID specification.
2. Deploy all the methodologies on testnet and create IPFS timestamps.
3. Test the methodologies with dummy and real data.

Definition of done

1. Making all the required changes in the methodologies.
2. Testing and creating all required documents.
3. Documenting the changes required.

Acceptance criteria

100% completion as mentioned in DOD