Added a project.json and a pipeline.yml file

Author: keithpitt

.buildkite/pipeline.yml

@@ -0,0 +1,5 @@
+steps:
+  - name: ":golang:"
+    command: "./scripts/test.sh"
+    env:
+      BUILDKITE_DOCKER_COMPOSE_CONTAINER: "app"

.buildkite/project.json

@@ -0,0 +1,11 @@
+{
+  "name": "Golang Docker Example",
+  "repository": "https://github.com/buildkite/golang-docker-example.git",
+  "steps": [
+    {
+      "type": "script",
+      "name": ":buildkite:",
+      "command": "buildkite-agent pipeline upload"
+    }
+  ]
+}