added simple travis config

.travis.yml

@@ -0,0 +1,25 @@
+dist: trusty
+sudo: required
+group: beta
+language: node_js
+node_js:
+- "8"
+
+services:
+- docker
+
+cache:
+  directories:
+  - node_modules
+
+matrix:
+  fast_finish: true
+
+before_install:
+- npm install -g npm
+
+script:
+- npm run build
+
+notifications:
+  email: false

package.json

@@ -5,7 +5,8 @@
   "main": "dist/squid.js",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
-    "start:dev": "babel src --watch --out-dir dist"
+    "start:dev": "babel src --watch --out-dir dist",
+    "build": "babel src --out-dir dist"
   },
   "repository": {
     "type": "git",