Create a cargo workspace with a new blog_os crate at the root

src/main.rs

@@ -1,16 +1,3 @@
-#![no_std]
-#![no_main]
-
-use core::panic::PanicInfo;
-
-bootloader_api::entry_point!(kernel_main);
-
-fn kernel_main(bootinfo: &'static mut bootloader_api::BootInfo) -> ! {
-    loop {}
-}
-
-/// This function is called on panic.
-#[panic_handler]
-fn panic(_info: &PanicInfo) -> ! {
-    loop {}
+fn main() {
+    println!("Hello, world!");
 }