dwm picom added

dwm/picom/src/diagnostic.h

@@ -0,0 +1,9 @@
+// SPDX-License-Identifier: MPL-2.0
+// Copyright (c) 2018 Yuxuan Shui <yshuiv7@gmail.com>
+
+#pragma once
+#include <stdbool.h>
+
+typedef struct session session_t;
+
+void print_diagnostics(session_t *, const char *config_file, bool compositor_running);