Added 'src/main.rs'

src/main.rs

@@ -0,0 +1,16 @@
+use std::process::Command;
+
+fn main() -> std::io::Result<()> {
+    // Invoke mdbook build in the directory containing book.toml
+    let status = Command::new("mdbook")
+        .arg("build")
+        .status()?;
+
+    if status.success() {
+        println!("PDF successfully generated in book/pdf/output.pdf");
+    } else {
+        eprintln!("Failed to generate PDF");
+    }
+
+    Ok(())
+}