Revert "Remove the mustache plugin"

This reverts commit cc25310d6a6f4bb3d8045d3116a8e42e25bfbfbf.
Revert "Removing the arduino plugin as well"

This reverts commit 851fd48c03c30d7ad0e3d837cfd6e730d16422a1.
Revert "This plugin is no longer needed"

This reverts commit 927073e9dfcb2e45a374161900cb109ac29f1141.