add wordlib for test and update gitignore

.gitignore

@@ -9,6 +9,8 @@ target/
 # MSVC Windows builds of rustc generate these, which store debugging information
 *.pdb
 
+Cargo.lock
+**/Cargo.lock
 # RustRover
 #  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
 #  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore

Cargo.toml

@@ -1,3 +1,3 @@
 [workspace]
 resolver ="2"
-members =["crates/hello"]
+members =["crates/hello", "crates/worldlib"]

crates/hello/Cargo.toml

@@ -7,3 +7,4 @@ license = "MIT"
 [dependencies]
 reqwest = "0.12.15"
 tokio = { version = "1.44.2", features = ["full"] }
+worldlib ={path="../worldlib"}

crates/hello/src/main.rs

@@ -6,6 +6,7 @@ async fn main() -> Result<(), Box<dyn Error>> {
 
     println!("body:{}", body);
     println!("hello world");
+    worldlib::print_sth("this is from hello".to_string());
     Ok(())
 }
 #[allow(dead_code)]

crates/worldlib/Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "worldlib"
+version = "0.1.0"
+edition = "2024"
+license = "MIT"
+[dependencies]

crates/worldlib/src/lib.rs

@@ -0,0 +1,3 @@
+pub fn print_sth(s: String) {
+    println!("{}", s);
+}