Added Authentication

[chris1howell]

Added basic authentication with default user and password. The ability to change password and save to EEPROM via the Web interface should be added

[chris1howell]

Changed HTTP to HTTPS on port 443. Added fingerprint for emoncms.org server. Client connection is established HTTPS if the fingerprint matches.

[TrystanLea]

Wow, looks great! shall I fork your original repository and put my changes in there so that this maintains the development history? and then we merge these changes at that point?

[chris1howell]

No need to fork. I am just about done integrating your code.

[TrystanLea]

Hello Chris, just testing this, Im relatively new to HTTPS having only recently added TLS support with Lets Encrypt, will the certificate fingerprint change when I renew?
I also had to change it to:
const char* fingerprint = "B6:44:19:FF:B8:F2:62:46:60:39:9D:21:C6:FB:F5:6A:F3:D9:1A:79";
to make it work

[TrystanLea]

On another topic, do you know why the access point ssid does not change when I edit:
const char* ssid = "emonESP";
const char* password = "emonesp";