Nikita

Fix build for Windows

This commit allows to open wide paths, for example, cyrilic

It includes previous [PR about RNN Mode](https://github.com/BlinkDL/nanoRWKV/pull/1) Add keras and tflite versions for efficient on-device inference with rnn mode, with equality tests to the torch transformer mode

add nano-rwkv rnn mode

1

I thought this code would be useful. I have implemented a RNN mode, but I got acquainted with the RWKV project just a few hours ago, so I'm a little...