created stdio module, added hardware script

libk/src/std/io/io.rs

@@ -4,3 +4,38 @@ pub use crate::drivers::io::{
     serial::_serial_write,
     serial_print, serial_println,
 };
+
+pub mod stdin {
+    use alloc::string::String;
+
+    /// Reads a line of input from standard input asynchronously, returning a `String` containing
+    /// the input line. Does not include the newline character at the end of the line.
+    ///
+    /// If the user presses the abort key (usually Ctrl+C), the returned string will be empty.
+    ///
+    /// This function is currently unimplemented.
+    pub async fn read_line() -> String {
+        todo!()
+    }
+
+    /// Reads a character from standard input and blocks the current task until a character is
+    /// available.
+    ///
+    /// # Note
+    ///
+    /// This function is not yet implemented.
+    pub async fn read_char() -> char {
+        todo!()
+    }
+
+    /// Attempt to read a character from standard input without blocking the current task.
+    ///
+    /// If no character is available, returns `None`.
+    ///
+    /// # Note
+    ///
+    /// This function is not yet implemented.
+    pub fn try_read_char() -> Option<char> {
+        todo!()
+    }
+}