Add generate hash uri map function

[aasheptunov]

Add generate hash uri map function.

User story:
As a deveoper , I want to implement the logic for generating a hash URI map from the C2PA specification, so that reuse the relevant logic as needed without duplicating code.

DoD:

• A function has been added that takes values and generates a hash uri map in the format specified by the C2PA specification.
• The function is integrated and reused wherever a hash uri map is used.
• The added logic is covered by unit tests.