C++ binding Docstring Update

[Viraj-Rana008]

Link the Issue(s) this Pull Request is related to.

Fixes #704

Summarize your change.

Reason:
For the users to have readily available docstrings in the C++ binding of methods & functions from python implementation.

Changes in files:

• src/py-opentimelineio/opentime-bindings/opentime_rationalTime.cpp
• src/py-opentimelineio/opentime-bindings/opentime_timeRange.cpp

Reference associated tests.

[meshula]

Looks good, I have a few small suggestions.

[meshula]

Looks good, thank you for the contribution!

[codecov-commenter]

Codecov Report

Merging #983 (4706744) into master (bd56474) will decrease coverage by 0.01%.
The diff coverage is 76.92%.

@@            Coverage Diff             @@
##           master     #983      +/-   ##
==========================================
- Coverage   85.63%   85.62%   -0.02%     
==========================================
  Files         191      191              
  Lines       18231    18235       +4     
  Branches     2074     2074              
==========================================
+ Hits        15613    15614       +1     
- Misses       2087     2090       +3     
  Partials      531      531              

Flag	Coverage Δ
unittests	85.62% <76.92%> (-0.02%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...ineio/opentime-bindings/opentime_timeTransform.cpp	90.00% <ø> (ø)
...imelineio/opentime-bindings/opentime_timeRange.cpp	95.08% <66.66%> (-4.92%)	⬇️
...lineio/opentime-bindings/opentime_rationalTime.cpp	95.89% <100.00%> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update bd56474...4706744. Read the comment docs.