📝 Added sandbox (code sketchbook)

sandbox/vue_sse/vue_sse_back/package.json

@@ -0,0 +1,18 @@
+{
+  "name": "node_sse",
+  "version": "1.0.0",
+  "description": "small sse for educational purposes",
+  "main": "index.js",
+  "scripts": {
+    "start": "nodemon index.js"
+  },
+  "author": "tomit4",
+  "license": "BSD-3-Clause",
+  "dependencies": {
+    "cors": "^2.8.5",
+    "express": "^4.18.2"
+  },
+  "devDependencies": {
+    "nodemon": "^2.0.22"
+  }
+}