Ability to specify nested bullet level styles in slide master

[SandraCaci]

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Issue Category

• Enhancement
• Bug
• Question
• Documentation gap/issue

Product Versions

• Please specify what version of the library you are using......: [ 3.12.0 ]
• Please specify what version(s) of PowerPoint you are targeting: [ Microsoft 365 ]
• Please specify what web browser you are using.................: [ Chrome ]

Desired Behavior

Enhancement: in defineSlideMaster, make it possible to specify for each nested bullet level (top level, indented sub-bullets, sub-sub-bullets up to 4 levels) what the bullet character should be, and what the font size should be. Preferably also what the bullet color shoud be (our style guide prescribes green bullets with black text).
Benefit: We use PptxGenJS to generate a Powerpoint for an event, with all the tracks and presentations of the event already described in several slides. We want the presenters to add a few slides for their presentation, following the style guide of our organization.
We can include the font size of the top level bullets in the generated pptx, but if presenters manually add a second level bullet, it always has a bigger font size than our top level bullets and there is no way to specify that differently in the slide master. If this enhancement was implemented we could make sure that the presenters don't have to manually change the font sizes and bullet characters of nested bullets to conform to the style guide.