Changes

Summary

1. Subscriptions resource added in SOL012-PM-API (details)

Commit d728ada616ea22739c44cbba3d63c79876d2b538 by hammad.zafar Subscriptions resource added in SOL012-PM-API
	SOL012/PolicyManagement-API/environment/variables.txt
	SOL012/PolicyManagement-API/schemas/PolicySubscriptionRequest.schema.json
	SOL012/PolicyManagement-API/ApiVersion.robot
	SOL012/PolicyManagement-API/schemas/ProblemDetails.schema.json
	SOL012/PolicyManagement-API/Subscriptions.robot
	SOL012/PolicyManagement-API/PolicyManagementKeywords.robot
	SOL012/PolicyManagement-API/jsons/PolicySubscriptionRequest.json
	SOL012/PolicyManagement-API/schemas/PolicySubscription.schema.json
	SOL012/PolicyManagement-API/schemas/subscriptions.schema.json