AWS Lambda support via Serverless

[eexit]

Todo

• Serverless config
• AWS Lambda main
• Use Dockerfile as builder
• Tests
• Update README

[codecov-io]

Codecov Report

Merging #1 (22603b3) into master (18f679c) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##            master        #1   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           13        13           
  Lines          285       285           
=========================================
  Hits           285       285           

Flag	Coverage Δ
unittests	100.00% <ø> (ø)

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