Add file size before upload for SPIFFS and WebUpdate
new embedded page based on 3.0
- display fw version
- menu link link to wiki / github
- auto detection of index.html.gz when uploaded
- websocket to limit to one instance
- build batch to generate page and fw file
fix for Apple captive portal blocking websocket per @Nathan-ma suggestion
Fix update partition size in [ESP420] for ESP32
change versio to 36
Add Wsocket message when upload is cancelled and so no info is sent to give root cause, need latest WebUI for catching these message
On embedded unlike in 3.0 websocket is not setup so only use the xnlhttp.onerror
change embeded version to 1.3.1
change version to 34
update npm when building embedded page to be sure environment is properly set
