feat: allow multiple handlers in faas functions

[davemooreuws]

closes #69

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
3 Code Smells

No Coverage information
0.0% Duplication

[codecov-commenter]

Codecov Report

❗ No coverage uploaded for pull request base (develop@08262dd). Click here to learn what that means.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             develop      #70   +/-   ##
==========================================
  Coverage           ?   87.43%           
==========================================
  Files              ?       69           
  Lines              ?      899           
  Branches           ?       72           
==========================================
  Hits               ?      786           
  Misses             ?      113           
  Partials           ?        0           

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