Updated README. Added example config. Added default font for ease of use.

README.md

@@ -3,9 +3,10 @@ A utility which can be used to create custom images for TRMNL devices via code
 
 # How to write new visual stuff
 1. Inherit from `Widget` and then do your magic inside your own class.
-2. Instantiate your widget in `main.cpp` and add it to the vector of widgets.
-3. ???
-4. Profit
+2. Add your widget builder in `main.cpp` inside `init builders`.
+3. Write your config file.
+4. ???
+5. Profit
 
 # ImageMagick commands
 ### Convert image without dithering