Added travis building

Author: sea5kg

.travis.yml

@@ -0,0 +1,23 @@
+language: cpp
+
+branches:
+  only:
+    - master
+
+dist: bionic
+
+addons:
+  apt:
+    packages:
+    - cmake
+    - make
+    - g++
+    - pkg-config
+
+# Build steps
+script:
+  - ./build_simple.sh
+  - cd unit-tests.wsjcpp
+  - ./build_simple.sh
+  - ./unit-tests
+

README.md

@@ -1,5 +1,8 @@
 # wsjcpp-jsonrpc2
-Implementation for JsonRPC 2.0
+
+[![Build Status](https://api.travis-ci.com/wsjcpp/wsjcpp-jsonrpc20.svg?branch=master)](https://travis-ci.com/wsjcpp/wsjcpp-jsonrpc20)
+
+C++ Implementation for JsonRPC 2.0
 
 ## Features