add travisci support

.travis.yml

@@ -0,0 +1,28 @@
+language: node_js
+
+node_js:
+  - "8"
+  - "9"
+
+addons:
+  apt:
+    sources:
+    - ubuntu-toolchain-r-test
+    packages:
+    - libzmq3-dev
+
+services: mongodb
+
+env:
+  matrix:
+    - SUBPROJECT=catapult-sdk
+    - SUBPROJECT=monitor
+    - SUBPROJECT=rest
+    - SUBPROJECT=spammer
+
+cache: yarn
+
+before_script:
+  - sh yarn_setup.sh
+
+script: cd ${SUBPROJECT} && yarn test

README.md

@@ -1,5 +1,7 @@
 # catapult-rest
 
+[![Build Status](https://api.travis-ci.org/nemtech/catapult-rest.svg?branch=master)](https://travis-ci.org/nemtech/catapult-rest)
+
 ## Requirements
 
 - NodeJS version 8 or 9
@@ -10,4 +12,4 @@
 Copyright (c) 2018 Jaguar0625, gimre, BloodyRookie, Tech Bureau, Corp Licensed under the [GNU Lesser General Public License v3](LICENSE)
 
 
-[yarn]: https://yarnpkg.com/lang/en/
+[yarn]: https://yarnpkg.com/lang/en/