Support MathType and oMathML read and write

[mastermissing]

Description

MathType

<w:object w:dxaOrig="1160" w:dyaOrig="320">
...
<o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1026" DrawAspect="Content" ObjectID="_1615119621" r:id="rId9"/>
</w:object>

oMathML

<m:oMath>
...
</m:oMath>

Expected Behavior

Actual Behavior

Please include a reproducible code snippet or document attachment that
demonstrates the issue.

[gunnsth]

Support for equations should have an easy API to work with, perhaps some LaTeX like formatted string input would be ideal. At least that makes sense in generation mode, not sure what makes sense in read mode.

[gunnsth]

@mastermissing What would you envision the API for this to be? What fields and functions, capabilities?