✨ Update devcontainer configuration with specific Node.js version and enhanced post-create command

Author: AR10Dev

.devcontainer/devcontainer.json

@@ -1,10 +1,7 @@
 {
   "name": "ar10dev.github.io",
-  "image": "mcr.microsoft.com/devcontainers/javascript-node",
-  "features": {
-    "ghcr.io/devcontainers/features/bun": {}
-  },
-  "postCreateCommand": "bun install",
+  "image": "mcr.microsoft.com/devcontainers/javascript-node:1-22-bookworm",
+  "postCreateCommand": "bash -lc 'set -e; export BUN_INSTALL=\"$HOME/.bun\"; curl -fsSL https://bun.sh/install | bash; \"$BUN_INSTALL/bin/bun\" --version; \"$BUN_INSTALL/bin/bun\" install; grep -q \"BUN_INSTALL=\\\"$HOME/.bun\\\"\" ~/.bashrc || printf \"\\nexport BUN_INSTALL=\\\"$HOME/.bun\\\"\\nexport PATH=\\\"$BUN_INSTALL/bin:$PATH\\\"\\n\" >> ~/.bashrc; grep -q \"BUN_INSTALL=\\\"$HOME/.bun\\\"\" ~/.zshrc || printf \"\\nexport BUN_INSTALL=\\\"$HOME/.bun\\\"\\nexport PATH=\\\"$BUN_INSTALL/bin:$PATH\\\"\\n\" >> ~/.zshrc'",
   "customizations": {
     "vscode": {
       "extensions": [