feat(console): add option to change the console render theme

[MadeInPierre]

Description

Set a custom set of colors for each element rendered to the console. New dark theme:

In addition to the original light theme:

And seems alright with VSCode:

Actions

• Closes #77
• Resolves weird console colors reported in #75

Usage

Three options:

1. Use one of the predefined themes (light or dark), default is light:

   python your_config --theme="dark"  # or light

2. Save your preferred predefined theme to avoid using the command line option:

from finalynx import DarkTheme, LightTheme

portfolio = Portfolio(...)
assistant = Assistant(..., theme=DarkTheme())
assistant.run()

3. Set your own custom theme in your_config.py, see the LightTheme class for references:

from finalynx import Theme

class MyTheme(Theme):
    TEXT = "white"
    FOLDER_COLOR="cyan"
    ...

portfolio = Portfolio(...)
assistant = Assistant(..., theme=MyTheme())
assistant.run()

Steps

• [X] Create the theme class & command parsing
• [x] Create theme variables for each element
• [x] Connect the variables everuwhere

[MadeInPierre]

@sebfar9172 @nmathey @yovanoc should be useful :crossed_fingers:

[sebfar9172]

I try it tomorrow

[sebfar9172]

Very good thanks for the work