Proposed updates to readme with some new methods & added logo

[dabit3]

Issue #, if available:
N/A

Description of changes:
Proposed updates to Readme

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov-io]

Codecov Report

Merging #729 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #729   +/-   ##
=======================================
  Coverage   86.65%   86.65%           
=======================================
  Files          74       74           
  Lines        3529     3529           
  Branches      671      671           
=======================================
  Hits         3058     3058           
  Misses        454      454           
  Partials       17       17

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[mlabieniec]

👍

[github-actions]

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