Revert "add readme"

This reverts commit a95a852af2f782b1cd3fb27ff1d8f8a4d61e0ae8.
Revert "more code"

This reverts commit 1d65a666dcf1b9d04251d0e049ae12f9d5050b4b.
Revert "Revert "more code""

This reverts commit 43af6ccd39765b12c896dc2c544dd5c3985cc6f8.