feat: construct grpc request and response

Now it follows the youtube livechat service thing or whatever

src/main.rs

@@ -5,8 +5,24 @@ mod client;
 
 #[tokio::main]
 async fn main() -> Result<(), Box<dyn std::error::Error>> {
-	let channel = Channel::from_static("dns:///youtube.googleapis.com:443");
-    let mut client = V3DataLiveChatMessageServiceClient::connect("http://[::1]:50051").await?;
+    let channel = Channel::from_static("dns:///youtube.googleapis.com:443").connect().await?;
+    let token: MetadataValue<_> = "Bearer my-secret-token".parse()?;
+    let mut client = V3DataLiveChatMessageServiceClient::with_interceptor(
+        channel,
+        move |mut req: Request<()>| {
+            req.metadata_mut().insert("authorization", token.clone());
+            Ok(req)
+        },
+    );
+
+    let request = tonic::Request::new(LiveChatMessageListRequest {
+        part: vec!["snippet".to_string()],
+        live_chat_id: Some("A0VHDvkheIg".to_string()), // TODO Fetch Latest Stream ID
+        max_results: Some(20),
+        page_token: None,
+        hl: None,
+        profile_image_size: None,
+    });
 
     // let request = tonic::Request::new(LiveChatMessageListRequest {
     //     name: "Tonic".into(),