update account-iam-service-roles-actions documentation

the customer is working with account-iam-service-roles-actions  documentation 

and ask if possible to add the following  roles- actions to the documentation as well 

iam-access-management.policy-assignment.read 

iam-access-management.policy-template.read

 iam-access-management.policy-assignment.create 

iam-access-management.policy-assignment.delete 

iam-access-management.policy-assignment.update 

iam-access-management.policy-template.create

 iam-access-management.policy-template.delete

 iam-access-management.policy-template.update

 is.metadata.dashboard.view 

is.metadata.metadata.read

 functions.namespaces.delete 

functions.namespaces.update

 functions.namespaces.read