chore: deploy automatically with semantic-release

Author: ZauberNerd

.travis.yml

@@ -1,11 +1,21 @@
 language: node_js
+
 node_js:
   - 4
   - 6
   - 8
   - 10
-cache:
-  directories:
-    - ".eslintcache"
-    - "node_modules"
-script: npm test
+
+script: npm run test
+
+jobs:
+  include:
+    - stage: release
+      node_js: lts/*
+      script: npm run build
+      deploy:
+        provider: script
+        skip_cleanup: true
+        script: npx semantic-release
+        on:
+          branch: master