cursor: move to a hyprland impl

This moves wlr_cursor to a completely new impl mostly under
CPointerManager

Also adds beginSimple to OpenGL for simple render passes (e.g. cursor)

src/devices/IHID.cpp

@@ -0,0 +1,5 @@
+#include "IHID.hpp"
+
+eHIDType IHID::getType() {
+    return HID_TYPE_UNKNOWN;
+}