added double filter notes in readme
added double filter notes in readme

madcowswe/ODrive,madcowswe/ODrive,madcowswe/ODrive,madcowswe/ODrive,madcowswe/ODrive,madcowswe/ODriveFirmware,madcowswe/ODriveFirmware,madcowswe/ODriveFirmware,madcowswe/ODriveFirmware