Canvas bug fix and POSIX param

• New Manual Posix param to avoid the timezoned.rop.nl ezTime's timezone service. Thanks @JeffWDH!
• Set time.google.com as a default NTP server - pool.ntp.org is a slug
• A bug in the Canvas clockface - Commit a216c29c4f15b1b3cadbd89805d150c2f551562b

Canvas Clockface

• Created the Canvas clockface
• Created a method to make use of the ezTime formating string
• Possibility to change Wifi user/pwd via API (must be connected)
• A helper to make HTTP requests
• RGB icons used in the startup was replaced by one-bit images that reduce used flash

New settings and Improvements

• Added new parameter to configure the NTP Server
• Added new parameter to configure the LDR GPIO
• Firmware version is displayed on settings page
• Added a link in Settings page to read any pin on ESP32 (located in LDR Pin card)
• [ABC] It's possible to turnoff the display if the LDR reading < minBright

Automatic Bright Control

• Added automatic bright control using an LDR
• Back with WiFiManager as an alternative way of connection (it must be configured through Improv for the first time)
• Restart clock after 10 min offline when turn it on
• Fixed Pokedex clockface to hide AM/PM when using 24h format
• Fixed HTTP response when restarting clock

Improv WiFi & Settings Page

Version 1.1.0

• Implements Improv protocol to configure wifi
• Create a Settings Page where user can set up:
  • swap blue/green pins
  • use 24h format or not
  • timezone
  • display bright