VirtualBox (#46)

* Initailize aws support

* Add README for the VM server

* Refactor OSWorld for supporting more cloud services.

* Initialize vmware and aws implementation v1, waiting for verification

* Initlize files for azure, gcp and virtualbox support

* Debug on the VMware provider

* Fix on aws interface mapping

* Fix instance type

* Refactor

* Clean

* Add Azure provider

* hk region; debug

* Fix lock

* Remove print

* Remove key_name requirements when allocating aws vm

* Clean README

* Fix reset

* Fix bugs

* Add VirtualBox and Azure providers

* Add VirtualBox OVF link

* Raise exception on macOS host

* Init RAEDME for VBox

* Update VirtualBox VM download link

* Update requirements and setup.py; Improve robustness on Windows

* Fix network adapter

* Go through on Windows machine

* Add default adapter option

* Fix minor error

---------

Co-authored-by: Timothyxxx <384084775@qq.com>
Co-authored-by: XinyuanWangCS <xywang626@gmail.com>
Co-authored-by: Tianbao Xie <47296835+Timothyxxx@users.noreply.github.com>

desktop_env/desktop_env.py

@@ -26,7 +26,7 @@ class DesktopEnv(gym.Env):
 
     def __init__(
             self,
-            provider_name: str = "vmware",
+            provider_name: str = "virtualbox",
             region: str = None,
             path_to_vm: str = None,
             snapshot_name: str = "init_state",
@@ -55,8 +55,11 @@ class DesktopEnv(gym.Env):
         self.manager, self.provider = create_vm_manager_and_provider(provider_name, region)
 
         # Initialize environment variables
-        self.path_to_vm = os.path.abspath(os.path.expandvars(os.path.expanduser(path_to_vm))) if path_to_vm else \
-            self.manager.get_vm_path(region)
+        if path_to_vm:
+            self.path_to_vm = os.path.abspath(os.path.expandvars(os.path.expanduser(path_to_vm))) \
+                if provider_name in {"vmware", "virtualbox"} else path_to_vm
+        else:
+            self.path_to_vm = self.manager.get_vm_path(region)
 
         self.snapshot_name = snapshot_name
         self.cache_dir_base: str = cache_dir