ThemeProvider: Add TextTransform parameter to typography

[JonBunator]

Description

Adds TextTransform parameter to typography

How Has This Been Tested?

I set all typographies to text-transform: uppercase and checked that all texts in the docs are uppercase.
I set text-transform of buttons to lowercase and checked that the text is lowercase

Checklist:

✔️ The PR is submitted to the correct branch (dev).
✔️ My code follows the code style of this project.
❌ I've added relevant tests.

[codecov]

Codecov Report

Merging #3273 (aaaa4e9) into dev (b51f45a) will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##              dev    #3273      +/-   ##
==========================================
+ Coverage   89.66%   89.67%   +0.01%     
==========================================
  Files         312      312              
  Lines        9547     9562      +15     
==========================================
+ Hits         8560     8575      +15     
  Misses        987      987              

Impacted Files	Coverage Δ
...Components/ThemeProvider/MudThemeProvider.razor.cs	98.68% <100.00%> (+0.08%)	⬆️
src/MudBlazor/Themes/Models/Typography.cs	100.00% <100.00%> (ø)

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[Garderoben]

Nice thanks for doing this, and love that you made with the scss file, prob allot of stuff we could make cleaner if i did that from the beginning :D