Shuffle things around out of new modules

internal/api/genapi/Makefile

@@ -0,0 +1,11 @@
+# Determine this makefile's path.
+# Be sure to place this BEFORE `include` directives, if any.
+THIS_FILE := $(lastword $(MAKEFILE_LIST))
+
+export API_GEN_BASEPATH := ${GEN_BASEPATH}/api
+
+api:
+	go run .
+	goimports -w ${API_GEN_BASEPATH}
+
+.PHONY: api