feat: CI/CD testing

Dendron now has continuous integration tests for all pushes.

![](https://travis-ci.com/dendronhq/dendron.svg?branch=master)

Tests run on mac, linux and windows which means moving forward, there
should be fewer OS related issues

.travis.yml

@@ -11,6 +11,6 @@ before_script: "./scripts/build.sh"
 script: "./scripts/testAll.sh"
 notifications:
   slack:
-    secure: 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
+    secure: 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
 env:
-  - YARN_GPG=no
+- YARN_GPG=no