Refactor project structure

kernel/src/lib.rs

@@ -0,0 +1,16 @@
+// SPDX-License-Identifier: MPL-2.0
+
+#![no_std]
+#![no_main]
+#![forbid(unsafe_code)]
+extern crate aster_frame;
+
+use aster_frame::prelude::*;
+
+#[aster_main]
+pub fn main() -> ! {
+    println!("[kernel] finish init aster_frame");
+    component::init_all(component::parse_metadata!()).unwrap();
+    aster_nix::init();
+    aster_nix::run_first_process();
+}