* Revert "Adding Beacon Hill course card (#1521)" This reverts commit f233feaf8f688d40334cea192f43fe10d40a972e. * Revert "Adding missed dfrobot (#1527)" This reverts commit f34b41244dca45715551b2fe523944c26295973d.
* Migrate term 'package' to 'extension' * Bad link * Add package term note * Small article change