1. In insert mode, Tabby will show code suggestion when you stop typing. Press `<Tab>` to accpet the current suggestion, `<M-]>` to see the next suggestion, `<M-[>` to see previous suggestion, or `<C-]>` to dismiss.
2. Use command `:Tabby enable` to enable, `:Tabby disable` to disable Tabby, and `:Tabby status` to check status.