Merge pull request RWKV#16 from saharNooby/outliers-preserving-quanti…

…zation-PR

Add Q4_1_O quantization format that preserves outliers in weights and does dot in FP32

Merge pull request RWKV#18 from yorkzero831/master

Update github action to support linux and macos asset uploading

Update README.md: include info about pre-compiled library

Remove hardcoded memory requirements table

Fix build errors and warnings