Extended http server to list files in SPIFFS and allow you to upload and delete files.

include/http_server.h

@@ -4,6 +4,7 @@
 #ifdef HTTP_SERVER_ENABLE
 
 #include "my_wifi.h"
+#include <FS.h>
 
 #if defined ( ESP8266 )
 extern ESP8266WebServer http_server;
@@ -11,6 +12,8 @@ extern ESP8266WebServer http_server;
 extern ESP32WebServer http_server;
 #endif
 
+extern File upload_file;
+
 void http_server_setup();
 void http_server_loop();
 #endif