update examples and codespace

.devcontainer/devcontainer.json

@@ -2,7 +2,8 @@
 // README at: https://github.com/devcontainers/templates/tree/main/src/typescript-node
 {
 	"name": "Node.js & TypeScript",
-	"image": "mcr.microsoft.com/devcontainers/typescript-node:16-bullseye"
+	"image": "mcr.microsoft.com/devcontainers/typescript-node:16-bullseye",
+	"postCreateCommand": "npm i && npm run build:os"
 
 	// Features to add to the dev container. More info: https://containers.dev/features.
 	// "features": {},
@@ -10,9 +11,6 @@
 	// Use 'forwardPorts' to make a list of ports inside the container available locally.
 	// "forwardPorts": [],
 
-	// Use 'postCreateCommand' to run commands after the container is created.
-	// "postCreateCommand": "yarn install",
-
 	// Configure tool-specific properties.
 	// "customizations": {},