Make julia markdown pandoc compatible

[kdheepak]

No description provided.

[codecov-io]

Codecov Report

Merging #8 into master will increase coverage by 2.2%.
The diff coverage is 83.33%.

@@            Coverage Diff            @@
##           master       #8     +/-   ##
=========================================
+ Coverage   81.66%   83.87%   +2.2%     
=========================================
  Files           1        1             
  Lines         360      372     +12     
=========================================
+ Hits          294      312     +18     
+ Misses         66       60      -6

Impacted Files	Coverage Δ
src/Pandoc.jl	83.87% <83.33%> (+2.2%)	⬆️

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