update font with icons for music, call and qr

Author: petterhs

src/displayapp/fonts/Readme.md

@@ -9,13 +9,13 @@
  * Size : 20
  * Bpp : 1 bit-per-pixel
  * Do not enable font compression and horizontal subpixel hinting
- * Load the file `JetBrainsMono-Bold.woff` and specify the following range : `0x20-0x7f, 0x410-0x44f`
- * Add a 2nd font, load the file `FontAwesome5-Solid+Brands+Regular.woff` and specify the following range : `0xf293, 0xf294, 0xf244, 0xf240, 0xf242, 0xf243, 0xf241, 0xf54b, 0xf21e, 0xf1e6, 0xf54b, 0xf017, 0xf129, 0xf03a, 0xf185, 0xf560, 0xf001, 0xf3fd, 0xf069, 0xf1fc, 0xf45d`
+ * Load the file `JetBrainsMono-Bold.tff` and specify the following range : `0x20-0x7f, 0x410-0x44f`
+ * Add a 2nd font, load the file `FontAwesome5-Solid+Brands+Regular.woff` and specify the following range : `0xf293, 0xf294, 0xf244, 0xf240, 0xf242, 0xf243, 0xf241, 0xf54b, 0xf21e, 0xf1e6, 0xf54b, 0xf017, 0xf129, 0xf03a, 0xf185, 0xf560, 0xf001, 0xf3fd, 0xf069, 0xf1fc, 0xf45d, 0xf59f, 0xf5a0, 0xf029, 0xf027, 0xf028, 0xf6a9, 0xf04b, 0xf04c, 0xf048, 0xf051, 0xf095, 0xf3dd`
  * Click on Convert, and download the file `jetbrains_mono_bold_20.c` and copy it in `src/DisplayApp/Fonts`
 
 Add new symbols:
  * Browse the [cheatsheet](https://fontawesome.com/cheatsheet/free/solid) and find your new symbols
- * For each symbol, add its hex code (0xf641 for the 'Ad' icon, for example) to the *Range* list
+ * For each symbol, add its hex code (0xf641 for the 'Ad' icon, for example) to the *Range* list (Remember to keep this readme updated with newest range list)
  * Convert this hex value into a UTF-8 code using [this site](http://www.ltg.ed.ac.uk/~richard/utf-8.cgi?input=f185&mode=hex)
  * Define the new symbols in `src/DisplayApp/Screens/Symbols.h`: 
 ```