Move examples to libvm source base and add symlink to root directory

Signed-off-by: Alek Ratzloff <alekratz@gmail.com>

examples

@@ -0,0 +1 @@
+src/libvm/examples/

src/libvm/examples/deadbeef.asm

@@ -8,6 +8,8 @@
 
 .section code $0x0 {
     main:
+        mov %ivt, ivt
+        or %flags, $0b100
         mov %r0, $0xDEAD
         shl %r0, $16
         ; move 32 bits at 'beef' to %r01
@@ -19,8 +21,25 @@
         jnz end
         mov %status, $1
     end:
+        div %r0, $0
         halt
     .export main
+
+}
+
+.section iv $0x2800 {
+    dz:
+        mov %status, $255
+        halt
+
+    .export dz
+}
+
+.section ivt $0x2000 .. $0x2800 {
+    ivt:
+    .interrupt $1, dz               ; Divide by zero
+
+    .export ivt
 }
 
 .meta {