While creating wallet, add an option for network selection

[sanjay-k1910]

While creating a wallet, add an option for network selection

Acceptance Criteria:

• [ ] Provide an option for network selection and this option should be required field
• [ ] Provide an option for if the user already has a DID
• [ ] If the user has DID then show the manual input box for Seed and DID. These fields should be required field.
• [ ] If the user doesn't have DID then proceed with auto-generated Seed.
• [ ] Implement the same option in a dedicated wallet spinup