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>

crates/rmcp/tests/test_complex_schema.rs

@@ -0,0 +1,63 @@
+use rmcp::{Error as McpError, model::*, schemars, tool};
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Clone, Serialize, Deserialize, schemars::JsonSchema)]
+pub enum ChatRole {
+    System,
+    User,
+    Assistant,
+    Tool,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize, schemars::JsonSchema)]
+pub struct ChatMessage {
+    pub role: ChatRole,
+    pub content: String,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize, schemars::JsonSchema)]
+pub struct ChatRequest {
+    pub system: Option<String>,
+    pub messages: Vec<ChatMessage>,
+}
+
+#[derive(Clone, Default)]
+pub struct Demo;
+
+#[tool(tool_box)]
+impl Demo {
+    pub fn new() -> Self {
+        Self
+    }
+
+    #[tool(description = "LLM")]
+    async fn chat(
+        &self,
+        #[tool(aggr)] chat_request: ChatRequest,
+    ) -> Result<CallToolResult, McpError> {
+        let content = Content::json(chat_request)?;
+        Ok(CallToolResult::success(vec![content]))
+    }
+}
+
+#[test]
+fn test_complex_schema() {
+    let attr = Demo::chat_tool_attr();
+    let input_schema = attr.input_schema;
+    let enum_numer = input_schema
+        .get("definitions")
+        .unwrap()
+        .as_object()
+        .unwrap()
+        .get("ChatRole")
+        .unwrap()
+        .as_object()
+        .unwrap()
+        .get("enum")
+        .unwrap()
+        .as_array()
+        .unwrap()
+        .len();
+    assert_eq!(enum_numer, 4);
+    println!("{}", serde_json::to_string_pretty(&input_schema).unwrap());
+}