Add compilation and running instructions to the readme

Readme.md

@@ -6,4 +6,9 @@ Run cross.sh to set up gcc cross-compiler
 The following are commands for compiling and running the assembly:
 
 `nasm boot.asm -f bin -o boot.bin`   
-`qemu-system-i386 boot.bin`
\ No newline at end of file
+`qemu-system-i386 boot.bin`
+
+To run the kernel, run these commands from the src directory
+
+`make`   
+`qemu-system-i386 -kernel myos.bin -serial file:serial.log`