meta: add build system and stub tool source code

ropam/vendor/list.c

@@ -0,0 +1,22 @@
+#include "../commands.h"
+
+#include <blue/cmd.h>
+
+static int vendor_list(
+	const b_command *self,
+	const b_arglist *opt,
+	const b_array *args)
+{
+	return 0;
+}
+
+B_COMMAND(CMD_VENDOR_LIST, CMD_VENDOR)
+{
+	B_COMMAND_NAME("list");
+	B_COMMAND_SHORT_NAME('L');
+	B_COMMAND_DESC("list all registered package vendors.");
+	B_COMMAND_FLAGS(B_COMMAND_SHOW_HELP_BY_DEFAULT);
+	B_COMMAND_FUNCTION(vendor_list);
+
+	B_COMMAND_HELP_OPTION();
+}