Small change to assembly code formating (#455)

* changing x86_64 in book.json

* moving assembly code

* small change to book.json

* changing bubble_sort.md

Author: Gathros

book.json

@@ -137,7 +137,7 @@
           "name": "Nim"
         },
         {
-          "lang": "x64",
+          "lang": "asm-x64",
           "name": "X86-64 Assembly"
         },
         {

contents/bubble_sort/bubble_sort.md

@@ -50,8 +50,8 @@ This means that we need to go through the vector $$\mathcal{O}(n^2)$$ times with
 [import:3-28, lang:"lisp"](code/lisp/bubble_sort.lisp)
 {% sample lang="nim" %}
 [import:5-9, lang:"nim"](code/nim/bubble_sort.nim)
-{% sample lang="x64" %}
-[import:44-110, lang:"x64"](code/x64/bubble_sort.s)
+{% sample lang="asm-x64" %}
+[import:44-110, lang:"asm-x64"](code/asm-x64/bubble_sort.s)
 {% sample lang="f90" %}
 [import:19-40, lang:"fortran"](code/fortran/bubble.f90)
 {% sample lang="scala" %}
@@ -113,8 +113,8 @@ Trust me, there are plenty of more complicated algorithms that do precisely the
 [import, lang:"lisp"](code/lisp/bubble_sort.lisp)
 {% sample lang="nim" %}
 [import, lang:"nim"](code/nim/bubble_sort.nim)
-{% sample lang="x64" %}
-[import, lang:"x64"](code/x64/bubble_sort.s)
+{% sample lang="asm-x64" %}
+[import, lang:"asm-x64"](code/asm-x64/bubble_sort.s)
 {% sample lang="f90" %}
 [import, lang:"fortran"](code/fortran/bubble.f90)
 {% sample lang="scala" %}