Revert "removed don't use form"

This reverts commit b829db8bcacb9f539a059b09021a6b902a2c98da.
Revert "fixed $ usage"

This reverts commit 729d743bbaee22fe1e34f98464b810442f258e89.
Revert "Update README.md"

This reverts commit 4054fc33e2a528fc9d4ae94f455f3213a7061b6d.
Revert "added feature"

This reverts commit 9ad0c29b0a191f4735dae6d2c3e5721d179d971c.