[Yellowstone] Try to spawn the teton process from disk.

sys/teton/teton.cpp

@@ -0,0 +1,15 @@
+#include <mammoth/debug.h>
+#include <mammoth/init.h>
+
+uint64_t main(uint64_t init_port) {
+  ParseInitPort(init_port);
+
+  dbgln("Teton Starting");
+  // 1. Set up framebuffer.
+
+  // 2. Parse a font file.
+
+  // 3. Write a line to the screen.
+
+  return 0;
+}