Add circlecli config

Author: rpgreen

.circleci/config.yml

@@ -0,0 +1,42 @@
+# Java Maven CircleCI 2.0 configuration file
+#
+# Check https://circleci.com/docs/2.0/language-java/ for more details
+#
+version: 2
+jobs:
+  build:
+    docker:
+      # specify the version you desire here
+      - image: circleci/openjdk:8-jdk
+      
+      # Specify service dependencies here if necessary
+      # CircleCI maintains a library of pre-built images
+      # documented at https://circleci.com/docs/2.0/circleci-images/
+      # - image: circleci/postgres:9.4
+
+    working_directory: ~/repo
+
+    environment:
+      # Customize the JVM maximum heap limit
+      MAVEN_OPTS: -Xmx3200m
+    
+    steps:
+      - checkout
+
+      # Download and cache dependencies
+      - restore_cache:
+          keys:
+          - v1-dependencies-{{ checksum "pom.xml" }}
+          # fallback to using the latest cache if no exact match is found
+          - v1-dependencies-
+
+      - run: mvn dependency:go-offline
+
+      - save_cache:
+          paths:
+            - ~/.m2
+          key: v1-dependencies-{{ checksum "pom.xml" }}
+        
+      # run tests!
+      - run: mvn test
+

README.md

@@ -1,5 +1,8 @@
 # apigateway-generic-java-sdk
-This is a simple generic Java client for Amazon API Gateway endpoints. It is useful when you don't necessarily want to generate a [strongly typed SDK](https://aws.amazon.com/blogs/developer/api-gateway-java-sdk), such as when prototyping or scripting.
+
+[![CircleCI](https://circleci.com/gh/rpgreen/apigateway-generic-java-sdk.svg?style=svg)](https://circleci.com/gh/rpgreen/apigateway-generic-java-sdk)
+
+This is a simple generic Java client for Amazon API Gateway endpoints. It is useful when you don't necessarily want to generate a [strongly-typed SDK](https://aws.amazon.com/blogs/developer/api-gateway-java-sdk), such as when prototyping or scripting.
 
 It is optimized to run from a Lambda function and does not require extra dependencies beyond the AWS SDK, which is already bundled in the Lambda runtime.