Modified docs for sphinx, removed html generation errors for sphinx, …

[ajshastri]

1. Fixed errors during make html
2. fixed the rest of the documentation
3. Removed the pyetrade.\exception_module for now from the pyetrade.rst to resolve errors related to module absence.
4. Created an examples page in documentation for beginners to easily follow (orders examples pending)
5. imported alerts to init.py to standardize import pyetrade
6. Bumping version to 1.2.1 because of the change to init.py

@jessecooper Please let me know if you want me to change any of the above.

[ajshastri]

@jessecooper

The new docs should look like this

https://docsfixpyetrade.readthedocs.io/en/docs-fix/pyetrade.html#module-pyetrade.order

[codecov-io]

Codecov Report

Merging #37 into master will decrease coverage by 0.02%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master      #37      +/-   ##
==========================================
- Coverage   90.59%   90.57%   -0.03%     
==========================================
  Files           6        6              
  Lines         351      350       -1     
==========================================
- Hits          318      317       -1     
  Misses         33       33              

Impacted Files	Coverage Δ
pyetrade/accounts.py	98.18% <ø> (ø)
pyetrade/alerts.py	100.00% <ø> (ø)
pyetrade/authorization.py	100.00% <ø> (ø)
pyetrade/market.py	84.70% <ø> (-0.18%)	:arrow_down:
pyetrade/order.py	83.18% <ø> (-0.15%)	:arrow_down:
pyetrade/__init__.py	100.00% <100.00%> (ø)

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[jessecooper]

@ajshastri Thank you for the PR

[jessecooper]

The docs have never looks so good. Awesome job!

[ajshastri]

My pleasure. Nothing like learning a new library like jumping into the deep end. :D