add deps directory

update inner include headers

sdk/example/http_event_plugin.cpp

@@ -0,0 +1,17 @@
+#include "session.h"
+#include "packet.h"
+#include "plugin.h"
+#include "http.h"
+
+
+
+int http_event_plugin_entry(const struct session *s, int what, struct packet *p, const char *payload, uint32_t len, void **pme)
+{
+	return 0;
+}
+
+int http_event_plugin_init()
+{
+	plugin_session_event_register(SESSION_TYPE_HTTP, http_event_plugin_entry, nullptr);
+	return 0;
+}