chore: add yarn command to put compiled stylesheets into builds folder

node_modules/reusify/.travis.yml

@@ -0,0 +1,28 @@
+language: node_js
+sudo: false
+
+node_js:
+  - 9
+  - 8
+  - 7
+  - 6
+  - 5
+  - 4
+  - 4.0
+  - iojs-v3
+  - iojs-v2
+  - iojs-v1
+  - 0.12
+  - 0.10
+
+cache:
+  directories:
+    - node_modules
+
+after_script:
+- npm run coverage
+
+notifications:
+  email:
+    on_success: never
+    on_failure: always