Imports of package integration

PathSynopsis
contextPackage context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes.
github.com/AzureAD/microsoft-authentication-library-for-go/apps/cachePackage cache allows third parties to implement external storage for caching token data for distributed systems or multiple local applications access.
logPackage log implements a simple logging package.
osPackage os provides a platform-independent interface to operating system functionality.