rewrote render.rs

rewrote the entire rendering system for the project, the terminal now supports scrollback and the vga blinking cursor actually moves around now (that was really getting on my nerves lmao)

src/user/lib/libgui/libgui_core.rs

@@ -1,4 +1,4 @@
-use crate::kernel::render::{BUFFER_HEIGHT, BUFFER_WIDTH, RENDERER};
+use crate::kernel::render2::{BUFFER_HEIGHT, BUFFER_WIDTH, RENDERER};
 use crate::std::io::Frame;
 use crate::{print, println};
 use alloc::{