[.NET] FontStyle Implementation

[carlos-zamora]

Implementation for #1078 on .NET platform (#1967)

HostConfig now has the following FontStylesConfig: Default, Display, Monospace.
Each FontStyleConfig has a FontFamilyConfig, a FontWeightConfig, and a FontSizeConfig.
The top-level FontFamily, FontSizes and FontWeights is now deprecated.

Testing

Created TextBlock.FontStyles.json to test different text blocks using different styles. On my own tested weight and sizes and they work too (can't tell the difference between weight of 200 and 400 but dev mode on Edge says they are set differently).

Also created 2 new host configs:

• sampleFontStyles.json: all font styles defined
• sampleMissingFontStyles.json: only Default is defined

I used sample.json and sampleDifferentText.json to test inheritance from deprecated properties.

Notes

• Config: GetFontWeight() and GetFontSize() are fast ways of returning the desired property.
• Config: GetDefaultFontWeight() and GetDefaultFontSize() return the constant default (not fontStyle Default).
• Renderer: GetFontWeight(), GetFontSize(), and GetFontFamily() look a little weird but way cleaner than expanding it out. Let me know your thoughts on how to make it more legible though.

[paulcam206]

inconsistent spacing here #Closed

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Refers to: samples/Tests/TextBlock.MultipleFonts.json:27 in 7e3bdb6. [](commit_id = 7e3bdb6, deletion_comment = False)

[paulcam206]

🕐

[paulcam206]