fix breaking change in llama.cpp; bind to latest version llama.cpp to…

Basic ASP.NET Core website example

MacOS metal support

Keep update binaries

Adapt the interface change in llama_backend_init

Update with all new changes

update webapi example

Add metal libraries and ggml-metal.metal helper

Update libllama.dylib

Align llama.cpp MacOS Dynamic Link Library

Remove native libraries from LLama.csproj and replace it with a targets file.