feat: add fullstack TypeScript template with Docker support

- Created package.json for managing workspaces (frontend and backend)
- Added scripts for development, build, testing, and Docker operations
- Implemented kill-dev-processes.sh script to terminate development processes gracefully

.vscode/launch.json

@@ -0,0 +1,72 @@
+{
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "name": "🚀 Debug Backend",
+      "type": "node",
+      "request": "launch",
+      "runtimeExecutable": "npx",
+      "runtimeArgs": [
+        "ts-node-dev",
+        "--respawn",
+        "--transpile-only",
+        "--no-notify"
+      ],
+      "args": ["src/index.ts"],
+      "cwd": "${workspaceFolder}/backend",
+      "env": {
+        "NODE_ENV": "development"
+      },
+      "console": "integratedTerminal",
+      "skipFiles": ["<node_internals>/**"],
+      "sourceMaps": true,
+      "restart": true,
+      "outputCapture": "std",
+      "presentation": {
+        "group": "fullstack",
+        "panel": "new"
+      },
+      "postDebugTask": "🛑 Terminate All Development Processes"
+    },
+    {
+      "name": "🌐 Debug Frontend (Chrome)",
+      "type": "chrome",
+      "request": "launch",
+      "url": "http://localhost:3000",
+      "webRoot": "${workspaceFolder}/frontend/src",
+      "skipFiles": ["<node_internals>/**"]
+    },
+    {
+      "name": "🔧 Debug Frontend (Edge)",
+      "type": "msedge",
+      "request": "launch",
+      "url": "http://localhost:3000",
+      "webRoot": "${workspaceFolder}/frontend/src",
+      "skipFiles": ["<node_internals>/**"]
+    }
+  ],
+  "compounds": [
+    {
+      "name": "🚀🌐 Debug Full Stack (Chrome)",
+      "preLaunchTask": "🌐 Frontend",
+      "configurations": ["🚀 Debug Backend", "🌐 Debug Frontend (Chrome)"],
+      "stopAll": true,
+      "presentation": {
+        "hidden": false,
+        "group": "fullstack",
+        "order": 1
+      }
+    },
+    {
+      "name": "🚀🔧 Debug Full Stack (Edge)",
+      "preLaunchTask": "🌐 Frontend",
+      "configurations": ["🚀 Debug Backend", "🔧 Debug Frontend (Edge)"],
+      "stopAll": true,
+      "presentation": {
+        "hidden": false,
+        "group": "fullstack",
+        "order": 2
+      }
+    }
+  ]
+}