初次提交代码

1. 完成基本的rpc的调用回调
2. 支持了config的解析
3. 支持了file handle的管理

Cargo.toml

@@ -0,0 +1,28 @@
+[package]
+name = "lws_vfs"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[[bin]] # Bin to run the HelloWorld gRPC server
+name = "lws_vfs-server"
+path = "src/server.rs"
+
+[dependencies]
+tonic = "0.11"
+prost = "0.12"
+tokio = { version = "1.0", features = ["macros", "rt-multi-thread"] }
+winapi = { version = "0.3", features = [
+    "fileapi",
+    "minwinbase",
+    "minwindef",
+    "timezoneapi",
+    "winnt",
+] }
+windows = "0.28"
+serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"
+
+[build-dependencies]
+tonic-build = "0.11"