Fix formatting directive warning, remove api binary and gitignore it

.gitignore

@@ -4,6 +4,7 @@
 *.dll
 *.so
 *.dylib
+cmd/api/api
 
 # Test binary, built with `go test -c`
 *.test

cmd/api/main.go

@@ -87,7 +87,7 @@ func initProduce(produceSvc http.ProduceService) {
 
 	b, err := ioutil.ReadAll(f)
 	if err != nil {
-		logger.Fatal("could not read file: %s", cfg.DMLInitFile)
+		logger.Fatalf("could not read file: %s", cfg.DMLInitFile)
 	}
 
 	var items []produce.Item