added REST API and simple unit test - and compose starter, still WIP for integ test

main_test.go

@@ -1,16 +1 @@
-package main
- 
-import (
-	"os"
-	"testing"
-)
-
-func TestMain(m *testing.M) {
-	os.Exit(m.Run())
-}
-
-func TestHelloWorld(t *testing.T) {
-	if HelloWorld() != "hello world" {
-		t.Errorf("got %s expected %s", HelloWorld(), "hello world")
-	}
-}
+package main_test