Update devcontainer config for newer format

Author: NeoScript

.devcontainer/Dockerfile

@@ -1,36 +1,25 @@
-// For format details, see https://aka.ms/devcontainer.json. For config options, see the README at:
-// https://github.com/microsoft/vscode-dev-containers/tree/v0.234.0/containers/javascript-node
+// For format details, see https://aka.ms/devcontainer.json. For config options, see the
+// README at: https://github.com/devcontainers/templates/tree/main/src/typescript-node
 {
-	"name": "Node.js",
-	"build": {
-		"dockerfile": "Dockerfile",
-		// Update 'VARIANT' to pick a Node version: 18, 16, 14.
-		// Append -bullseye or -buster to pin to an OS version.
-		// Use -bullseye variants on local arm64/Apple Silicon.
-		"args": { "VARIANT": "20-bullseye" }
+	"name": "Node.js & TypeScript",
+	// Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
+	"image": "mcr.microsoft.com/devcontainers/typescript-node:1-20-bookworm",
+	"features": {
+		"ghcr.io/devcontainers/features/docker-in-docker:2": {}
 	},
 
-	// Set *default* container specific settings.json values on container create.
-	"customizations": {
-		"vscode": {
-			"settings": {},
-			"extensions": [
-				"dbaeumer.vscode-eslint",
-				"mhutchie.git-graph",
-				"Angular.ng-template"
-			]
-		}
-	},
+	// Features to add to the dev container. More info: https://containers.dev/features.
+	// "features": {},
 
 	// Use 'forwardPorts' to make a list of ports inside the container available locally.
-	// "forwardPorts": [],
+	"forwardPorts": [4200, 8681, 7200],
 
 	// Use 'postCreateCommand' to run commands after the container is created.
-	"postCreateCommand": "npm install -g @angular/cli;",
+	// "postCreateCommand": "yarn install",
 
-	// Comment out to connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
-	"remoteUser": "node",
-	"features": {
-		"ghcr.io/devcontainers/features/docker-in-docker:2": {}
-	}
+	// Configure tool-specific properties.
+	// "customizations": {},
+
+	// Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
+	// "remoteUser": "root"
 }