update lab1-8 codes and docs. now version is 0.2

code/lab7/kern/debug/panic.c

@@ -1,7 +1,7 @@
 #include <defs.h>
 #include <stdio.h>
 #include <intr.h>
-#include <monitor.h>
+#include <kmonitor.h>
 
 static bool is_panic = 0;
 
@@ -27,7 +27,7 @@ __panic(const char *file, int line, const char *fmt, ...) {
 panic_dead:
     intr_disable();
     while (1) {
-        monitor(NULL);
+        kmonitor(NULL);
     }
 }