message: Update ODSP driver readme
diff: # @fluidframework/odsp-driver
  -This is an implementation of a driver which provides a DocumentService which uses sharepoint to interact with different endpoints
  -like Document Storage, Delta Storage and Delta stream. It also provides implementation of Document Storage, Delta Storage and Delta stream.
  \ No newline at end of file
  +The ODSP (OneDrive/Sharepoint) driver is an implementation of a Fluid driver that facilitate communication between
  +the client and the ODSP server to retrieve Fluid content and connect to the Fluid collaboration session.
  +
  +The ODSP Fluid service is not a publicly available service, and currently it is not possible to use this driver
  +to connect to it. This driver is present as an illustration of a different Fluid driver implementation.
  +Developers should not depend on this driver for their own solutions.
  