Create detailed documentation for advanced usage in python

[KamilMatejuk]

Create a new file docs/advanced_usage.rst describing how to understand and use each parameter, with example code per each (docs/examples/*.py) and visualizations (docs/examples/*.png).

Parameters of QRCode

	description	example code	visualization
version	✓	✓	✓
error_correction	✓	✓	✓
box_size	✓
border	✓
image_factory	✓	✓	✓
mask_pattern	✓	✓	✓

Parameters of make_image()

	description	example code	visualization
back_color	✓	✓	✓
fill_color	✓	✓	✓
color_mask	✓	✓	✓
module_drawer	✓	✓	✓
embeded_image_path	✓	✓	✓