http API with CORS (interim)

build-flags/build_flags_esp32-wifi

@@ -9,8 +9,8 @@
 -DSYSLOG_ENABLE
 # - udp errors
 -DOTA
--DARDUINO_OTA_MDNS_DISABLE
--DMDNS_ENABLE
+#-DARDUINO_OTA_MDNS_DISABLE
+#-DMDNS_ENABLE - ArduinoMDNS didnt working
 
 -DMCP23017
 -DMODBUS_TX_PIN=13
@@ -41,3 +41,5 @@
 
 #-DAUTOCONNECT_RECONNECT_WAITTIME=60
 
+-DFS_STORAGE
+-DFS_PREPARE