Wrote documentation website

[nicholaskl97]

Checklist

• Appropriate tests were added
• Any code changes were done in a way that does not break public API
• All documentation related to code changes were updated
• The new code follows the
  contributor guidelines, in particular the SciML Style Guide and
  COLPRAC.
• Any new documentation only uses public API

Additional context

Organized documentation website, rewrote many docstrings, changed the names of a few struct fields for greater clarity, sped up some of the test cases and used them as demonstrations in the documentation.

[codecov]

Codecov Report

Attention: Patch coverage is 75.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 76.95%. Comparing base (1ee202f) to head (db9e358).
Report is 1 commits behind head on master.

Files	Patch %	Lines
src/decrease_conditions.jl	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #28      +/-   ##
==========================================
+ Coverage   76.63%   76.95%   +0.31%     
==========================================
  Files          10       10              
  Lines         244      243       -1     
==========================================
  Hits          187      187              
+ Misses         57       56       -1     

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[nicholaskl97]

@ChrisRackauckas, here's the documentation that you suggested I work on. If I remember correctly, you wanted to take a look at it once I had written it.