Move whole rmcp crate to offcial rust sdk (#44)

* get rid of async-trait

* move rmcp to official-rust-sdk

* replace master with main

* update readme, change license

* fix typo

* Update README.md

Co-authored-by: Jefry Dewangga <jefrydco@gmail.com>

* fix typos

---------

Co-authored-by: = <=>
Co-authored-by: Jefry Dewangga <jefrydco@gmail.com>

examples/clients/src/std_io.rs

@@ -0,0 +1,49 @@
+use anyhow::Result;
+use rmcp::{model::CallToolRequestParam, service::ServiceExt, transport::TokioChildProcess};
+
+use tokio::process::Command;
+use tracing_subscriber::layer::SubscriberExt;
+use tracing_subscriber::util::SubscriberInitExt;
+
+#[tokio::main]
+async fn main() -> Result<()> {
+    // Initialize logging
+    tracing_subscriber::registry()
+        .with(
+            tracing_subscriber::EnvFilter::try_from_default_env()
+                .unwrap_or_else(|_| format!("info,{}=debug", env!("CARGO_CRATE_NAME")).into()),
+        )
+        .with(tracing_subscriber::fmt::layer())
+        .init();
+    let service = ()
+        .serve(TokioChildProcess::new(
+            Command::new("uvx").arg("mcp-server-git"),
+        )?)
+        .await?;
+
+    // or
+    // serve_client(
+    //     (),
+    //     TokioChildProcess::new(Command::new("uvx").arg("mcp-server-git"))?,
+    // )
+    // .await?;
+
+    // Initialize
+    let server_info = service.peer_info();
+    tracing::info!("Connected to server: {server_info:#?}");
+
+    // List tools
+    let tools = service.list_tools(Default::default()).await?;
+    tracing::info!("Available tools: {tools:#?}");
+
+    // Call tool 'git_status' with arguments = {"repo_path": "."}
+    let tool_result = service
+        .call_tool(CallToolRequestParam {
+            name: "git_status".into(),
+            arguments: serde_json::json!({ "repo_path": "." }).as_object().cloned(),
+        })
+        .await?;
+    tracing::info!("Tool result: {tool_result:#?}");
+    service.cancel().await?;
+    Ok(())
+}