Add getting started example + SQL Server installation guide to README.md

[IanChokS]

This adds a getting started example in the README page as well as a quick start up guide to install a SQL Server on docker.

[codecov]

Codecov Report

Merging #1241 (ad507f4) into master (f6e1681) will decrease coverage by 0.02%.
The diff coverage is n/a.

❗ Current head ad507f4 differs from pull request most recent head 895865c. Consider uploading reports for the commit 895865c to get more accurate results

@@            Coverage Diff             @@
##           master    #1241      +/-   ##
==========================================
- Coverage   81.52%   81.50%   -0.03%     
==========================================
  Files          85       85              
  Lines        4536     4536              
  Branches      846      846              
==========================================
- Hits         3698     3697       -1     
- Misses        574      575       +1     
  Partials      264      264              

Impacted Files	Coverage Δ
src/connection.ts	66.88% <0.00%> (-0.10%)	⬇️

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[arthurschreiber]

These steps seem to be windows specific, but use the linux container. Does this work out of the box on windows? What about using the windows container? Should we also have getting started steps for that?

[arthurschreiber]

Would you mind changing the commit type from refactor: to docs:?