feat: Add devcontainer configuration

.devcontainer/devcontainer.json

@@ -0,0 +1,34 @@
+{
+  "name": "Comp AI",
+  "image": "mcr.microsoft.com/devcontainers/javascript-node:20",
+  "features": {
+    "ghcr.io/devcontainers/features/docker-in-docker:2": {}
+  },
+  "forwardPorts": [3000, 3002, 5432],
+  "portsAttributes": {
+    "3000": {
+      "label": "App",
+      "onAutoForward": "notify"
+    },
+    "3002": {
+      "label": "Portal",
+      "onAutoForward": "notify"
+    },
+    "5432": {
+      "label": "Postgres",
+      "onAutoForward": "silent"
+    }
+  },
+  "customizations": {
+    "vscode": {
+      "extensions": [
+        "esbenp.prettier-vscode",
+        "bradlc.vscode-tailwindcss",
+        "Prisma.prisma",
+        "oven.bun-vscode"
+      ]
+    }
+  },
+  "postCreateCommand": "bash .devcontainer/setup.sh",
+  "remoteUser": "node"
+}

.devcontainer/setup.sh

@@ -0,0 +1,26 @@
+#!/bin/bash
+set -e
+
+echo "Installing Bun..."
+npm install -g bun
+
+echo "Copying .env files..."
+if [ ! -f apps/app/.env ] && [ -f apps/app/.env.example ]; then
+  cp apps/app/.env.example apps/app/.env
+  echo "Copied apps/app/.env"
+fi
+
+if [ ! -f apps/portal/.env ] && [ -f apps/portal/.env.example ]; then
+  cp apps/portal/.env.example apps/portal/.env
+  echo "Copied apps/portal/.env"
+fi
+
+if [ ! -f packages/db/.env ] && [ -f packages/db/.env.example ]; then
+  cp packages/db/.env.example packages/db/.env
+  echo "Copied packages/db/.env"
+fi
+
+echo "Installing project dependencies..."
+bun install
+
+echo "Setup complete!"