Docs update for local dev

[ddragosd]

I've recently configured a new Mac and I've taken the chance to use more recent libs. After successfully running OW locally, I've updated the docs with the versions.

I've also included a section detailing how to run unit tests locally.

Description

Related issue and scope

• I opened an issue to propose and discuss this change (#????)

My changes affect the following components

• API
• Controller
• Message Bus (e.g., Kafka)
• Loadbalancer
• Scheduler
• Invoker
• Intrinsic actions (e.g., sequences, conductors)
• Data stores (e.g., CouchDB)
• Tests
• Deployment
• CLI
• General tooling
• Documentation

Types of changes

• Bug fix (generally a non-breaking change which closes an issue).
• Enhancement or new feature (adds new functionality).
• Breaking change (a bug fix or enhancement which changes existing behavior).

Checklist:

• I signed an Apache CLA.
• I reviewed the style guides and followed the recommendations (Travis CI will check :).
• I added tests to cover my changes.
• My changes require further changes to the documentation.
• I updated the documentation where necessary.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 74.78%. Comparing base (58b2183) to head (d24ce33).
Report is 186 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff             @@
##           master    #5134       +/-   ##
===========================================
+ Coverage   42.68%   74.78%   +32.09%     
===========================================
  Files         233      233               
  Lines       12661    12661               
  Branches      521      521               
===========================================
+ Hits         5404     9468     +4064     
+ Misses       7257     3193     -4064     

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[dgrove-oss]

Thanks for doing this! Definitely needed a refresh