Use absolute path for the current directory

This will make it work on Windows as well.

src/docker_client.rs

@@ -64,8 +64,9 @@ impl DockerClient {
     }
 
     fn set_workdir(command: &mut Command) {
-        let binding = std::env::current_dir().unwrap();
-        let current_dir = binding.to_str().unwrap();
+        let path = std::env::current_dir().expect("Failed to get current directory");
+        let absolute_path = path.canonicalize().expect("Failed to get current directory");
+        let current_dir = absolute_path.to_str().expect("Failed to get current directory");
 
         command
             .arg("-v")