Create a revised documentation on Formula linked definitions feature

[prernaadev01]

Problem description

Currently, we have a documentation, which explains the basic functionality of formula linked definitions : https://docs.hedera.com/guardian/guardian/standard-registry/policies/formula-linked-definitions

Requirements

Need to revise the existing documentation which would focus on VM0042 methodology showing

• how this feature would be used
• how the formulas can be configured
• Adding screenshots of the formula configuration

Definition of done

Revising the existing documentation with VM0042 focus.

Acceptance criteria

Updated and released documentation.