Add option to read & write app scoped permissions (grants)#152

sierpinskid merged 2 commits intomasterGetStream/stream-chat-net:masterfrom

feature/cha-564-net-sdk-add-option-to-manipulate-app-scope-permissionsGetStream/stream-chat-net:feature/cha-564-net-sdk-add-option-to-manipulate-app-scope-permissionsCopy head branch name to clipboard