Devcontainer: initial windows support (#30168)

* windows support

* windows support

.devcontainer/devcontainer.json

@@ -5,7 +5,7 @@
   },
   "postCreateCommand": ".devcontainer/container_post_create.sh",
   "postStartCommand": ".devcontainer/container_post_start.sh",
-  "initializeCommand": ".devcontainer/host_setup.sh",
+  "initializeCommand": [".devcontainer/host_setup"],
   "privileged": true,
   "containerEnv": {
     "DISPLAY": "${localEnv:DISPLAY}",

.devcontainer/host_setup.cmd

@@ -0,0 +1,10 @@
+:: pull base image
+IF NOT DEFINED USE_LOCAL_IMAGE ^
+echo "Updating openpilot_base image if needed..." && ^
+docker pull ghcr.io/commaai/openpilot-base:latest
+
+:: setup .host dir
+mkdir .devcontainer\.host
+
+:: setup host env file
+echo "" > .devcontainer\.host\.env