Fix new line inside emphasis

[aliana17]

Fixed ## # 151

• Added a code that will move trailing line breaks outside of the asterisks and underscores.
• Also changed a variable name list used inside a for loop to item as list is a python data type and it cannot be used as a variable name.

[codecov]

Codecov Report

Attention: 5 lines in your changes are missing coverage. Please review.

Comparison is base (099c4b8) 97.23% compared to head (b48cf24) 96.86%.

Files	Patch %	Lines
html2text/__init__.py	79.16%	5 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #368      +/-   ##
==========================================
- Coverage   97.23%   96.86%   -0.38%     
==========================================
  Files          11       12       +1     
  Lines        1122     1149      +27     
==========================================
+ Hits         1091     1113      +22     
- Misses         31       36       +5     

Flag	Coverage Δ
unittests-3.10	96.86% <83.33%> (-0.38%)	⬇️
unittests-3.11	96.86% <83.33%> (-0.38%)	⬇️
unittests-3.12	96.86% <83.33%> (-0.38%)	⬇️
unittests-3.8	96.86% <83.33%> (-0.38%)	⬇️
unittests-3.9	96.86% <83.33%> (-0.38%)	⬇️

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[Alir3z4]

Could you please fix the failing CI and increase the coverage with tests?