Align on virtualbox recommendations (use vmsvga with 10M of vram) and align...

Align on virtualbox recommendations (use vmsvga with 10M of vram) and align json files for fetching last isos

cloud.json

 {
     "variables": {
-        "iso_url": "https://mirror.pkgbuild.com/iso/latest/archlinux-2019.10.01-x86_64.iso",
+        "iso_url": "https://mirror.pkgbuild.com/iso/latest/archlinux-{{isotime \"2006.01\"}}.01-x86_64.iso",
         "iso_checksum_url": "https://mirror.pkgbuild.com/iso/latest/sha1sums.txt",
         "iso_checksum_type": "sha1",
         "disk_size": "20480",

local.json

 {
     "variables": {
 
-    "iso_url": "https://mirror.pkgbuild.com/iso/latest/archlinux-2019.10.01-x86_64.iso",
+    "iso_url": "https://mirror.pkgbuild.com/iso/latest/archlinux-{{isotime \"2006.01\"}}.01-x86_64.iso",
     "iso_checksum_url": "https://mirror.pkgbuild.com/iso/latest/sha1sums.txt",
     "iso_checksum_type": "sha1",
     "disk_size": "20480",
@@ -40,6 +40,18 @@
                     "{{.Name}}",
                     "--cpus",
                     "{{user `cpus`}}"
+                ],
+                [
+                    "modifyvm",
+                    "{{.Name}}",
+                    "--graphicscontroller",
+                    "vmsvga"
+                ],
+                [
+                    "modifyvm",
+                    "{{.Name}}",
+                    "--vram",
+                    "10"
                 ]
             ],
             "boot_command": [

vagrant.json

@@ -40,6 +40,18 @@
                     "{{.Name}}",
                     "--cpus",
                     "{{user `cpus`}}"
+                ],
+                [
+                    "modifyvm",
+                    "{{.Name}}",
+                    "--graphicscontroller",
+                    "vmsvga"
+                ],
+                [
+                    "modifyvm",
+                    "{{.Name}}",
+                    "--vram",
+                    "10"
                 ]
             ],
             "boot_command": [