Add chat via socket.io (#1)

Author: Isaiah Mann

.travis.yml

@@ -1,2 +1,3 @@
 language: node_js
 node_js: 11.5.0
+cache: npm

package-lock.json

@@ -1,19 +1,22 @@
 {
-  "name": "now",
-  "version": "1.0.0",
-  "scripts": {
-    "postinstall": "node node_modules/recursive-install/recursive-install.js --skip-root",
-    "start": "npm run server",
-    "client": "cd src/client && npm start",
-    "test-client": "cd src/client && npm test",
-    "server": "cd src/server && npm start",
-    "test-server": "cd src/server && npm test",
-    "dev": "concurrently --kill-others-on-fail \"npm run server\" \"npm run client\"",
-    "test": "concurrently --success all \"npm run test-server\" \"npm run test-client\"",
-    "heroku-postbuild": "cd src/client && npm run build"
-  },
-  "devDependencies": {
-    "concurrently": "^4.0.1",
-    "recursive-install": "^1.4.0"
-  }
+     "name": "now",
+     "engines": {
+          "node": "11.5.0"
+     },
+     "version": "1.0.0",
+     "scripts": {
+          "postinstall": "node node_modules/recursive-install/recursive-install.js --skip-root",
+          "start": "npm run server",
+          "client": "cd src/client && npm start",
+          "test-client": "cd src/client && npm test",
+          "server": "cd src/server && npm start",
+          "test-server": "cd src/server && npm test",
+          "dev": "concurrently --kill-others-on-fail \"npm run server\" \"npm run client\"",
+          "test": "concurrently --success all \"npm run test-server\" \"npm run test-client\"",
+          "heroku-postbuild": "cd src/client && npm run build"
+     },
+     "devDependencies": {
+          "concurrently": "^4.0.1",
+          "recursive-install": "^1.4.0"
+     }
 }