A display_glyph for chamber temperature.

I just wanted to document this display glyph I use on my Voron 0 display.

[display_glyph chamber]
data:
  .......**.......
  ......*..*......
  .....*....*.....
  ....*......*....
  ...*...**...*...
  ..*....**....*..
  .*.....**.....*.
  .*.....**.....*.
  .*....****....*.
  .*...******...*.
  .*...******...*.
  .*....****....*.
  .*............*.
  .**************.
  ................
  ................