Fine tune the admin UI.

include/app.h

@@ -34,6 +34,9 @@ extern const byte DNS_PORT;
 extern const IPAddress SETUP_AP_IP;
 extern const IPAddress SETUP_AP_GATEWAY;
 extern const IPAddress SETUP_AP_SUBNET;
+extern const char *WWW_ROOT;
+extern const char *LOG_DIR;
+extern const char *LOG_FILE_PATH;
 
 enum LogLevel : uint8_t {
   LOG_ERROR = 0,

include/custom_api.h

@@ -3,3 +3,5 @@
 void handlePing();
 void handleAdd();
 void handleLed();
+void handleUptime();
+void handleUptimeEvents();