Add Mathjax Support

[mwouts]

Will close #174

[codecov-commenter]

Codecov Report

Merging #182 (c202d3b) into main (dbc66c1) will increase coverage by 0.00%.
The diff coverage is 93.75%.

@@           Coverage Diff           @@
##             main     #182   +/-   ##
=======================================
  Coverage   97.29%   97.30%           
=======================================
  Files          24       25    +1     
  Lines         849      852    +3     
=======================================
+ Hits          826      829    +3     
  Misses         23       23           

Impacted Files	Coverage Δ
itables/sample_dfs.py	100.00% <ø> (ø)
itables/datatables_repr.py	93.40% <93.40%> (ø)
itables/__init__.py	100.00% <100.00%> (ø)
itables/javascript.py	100.00% <100.00%> (+5.91%)	⬆️
itables/version.py	100.00% <100.00%> (ø)
tests/test_datatables_format.py	100.00% <100.00%> (ø)
tests/test_datatables_repr.py	100.00% <100.00%> (ø)

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