LW-10737: Add projection for transactions indexed by credentials

[will-break-it]

Context

The PR's proposes changes to the SDK to support transaction projection indexed by credentials. Ticket: LW-10737

Proposed Solution

DB Schema/ Entities:

• [x] Added Credential
• [x] Added Transaction, including tx cbor field served by ogmios

Mappers:

• [x] Extended utxo mapper to include txid grouped utxo sets
• [x] Extended address mapper to include txid grouped output addresses
• [x] Extended certificate mapper to include txid grouped stake credentials

Projections:

• [x] Added credential projection
• [x] Added transaction projection

What solution does not cover

• currently does not handle byron and pointer addresses

Important Changes Introduced

• mappers with transaction id groups