Mandatory recipients feature - Documentation update (#130)
* Update PrivacyEnhancements.md
* Update PrivacyEnhancements.md
* Update API-Methods.md
* Add files via upload
* Delete PrivacyEnhancements_Contract_Interaction_Matrix.png
* Add files via upload
* Delete PrivacyEnhancements_Contract_Interaction_Matrix.png
* Add files via upload
* Update ContractExtension.md
* Update ContractExtension.md
* Update PrivacyEnhancements.md
* fix lint build
* minor fix
Co-authored-by: Nam Truong <[email protected]>