Refactor comments in Go and Rust config.yml files to use consistent formatting for method return values and response instructions, enhancing readability.

Author: andy1li

solutions/go/02-rg2/config.yml

@@ -4,9 +4,9 @@ hints:
       This is returned by the [`Accept()`](https://pkg.go.dev/net#Listener.Accept) method.
 
       ```go
-      # The return value value includes:
-      # 1. the client's connection (a `net.Conn` object)
-      # 2. an error (if any)
+      // The return value value includes:
+      // 1. the client's connection (a `net.Conn` object)
+      // 2. an error (if any)
       conn, err := listener.Accept()
       ```
 
@@ -17,7 +17,7 @@ hints:
       Use the [`Write()`](https://pkg.go.dev/net#Conn.Write) method on the client's connection:
 
       ```go
-      # Send the response to the client
+      // Send the response to the client
       conn.Write([]byte("+PONG\r\n"))
       ```
 

solutions/rust/02-rg2/config.yml

@@ -1,10 +1,10 @@
 hints:
   - title_markdown: "How do I access the client's TCP connection?"
     body_markdown: |-
-      This is returned by the [`incoming()`](https://doc.rust-lang.org/std/net/struct.TcpListener.html#method.into_incoming) method.
+      This is returned by the [`incoming()`](https://doc.rust-lang.org/std/net/struct.TcpListener.html#method.incoming) method.
 
       ```rust
-      # The return value is an iterator that provides a sequence of `TcpStream` objects.
+      // The return value is an iterator that provides a sequence of `TcpStream` objects.
       for stream in listener.incoming()
       ```
 
@@ -15,7 +15,7 @@ hints:
       Use the [`write_all()`](https://doc.rust-lang.org/std/io/trait.Write.html#method.write_all) method on the client's connection:
 
       ```rust
-      # Send the response to the client
+      // Send the response to the client
       stream.write_all(b"+PONG\r\n").unwrap();
       ```