[Add] DevContainer postCreate script to handle further setup,

[Add] Automatically install Composer dependencies in DevContainer

.devcontainer/devcontainer.json

@@ -17,10 +17,10 @@
 				"onecentlin.laravel-blade"
 			]
 		}
-	}
+	},
 
 	// Use 'postCreateCommand' to run commands after the container is created.
-	// "postCreateCommand": "sudo chmod a+x \"$(pwd)\" && sudo rm -rf /var/www/html && sudo ln -s \"$(pwd)\" /var/www/html"
+	"postCreateCommand": ".devcontainer/postCreate.sh"
 
 	// Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
 	// "remoteUser": "root"

.devcontainer/postCreate.sh

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+
+# Install dependencies using Composer in case they are missing
+if [ ! -f composer.lock ]; then
+    composer install
+fi