feat: Add ability to use generic Event tags

[lenny-goodell]

closes #959

Signed-off-by: Leonard Goodell [email protected]

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PR Checklist

Please check if your PR fulfills the following requirements:

• I am not introducing a breaking change (if you are, flag in conventional commit message with BREAKING CHANGE: describing the break)
• I am not introducing a new dependency (add notes below if you are)
• I have added unit tests for the new feature or bug fix (if not, why?)
• I have fully tested (add details below) this the new feature or bug fix (if not, why?) Unit tests are sufficient
• I have opened a PR for the related docs change (if not, why?)
  feat: Document NewGenericTags factory func edgex-docs#607

Testing Instructions

n/a

New Dependency Instructions (If applicable)

n/a

[codecov-commenter]

Codecov Report

Merging #969 (64be8ec) into main (3697d04) will increase coverage by 0.07%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #969      +/-   ##
==========================================
+ Coverage   67.07%   67.15%   +0.07%     
==========================================
  Files          33       33              
  Lines        2536     2542       +6     
==========================================
+ Hits         1701     1707       +6     
  Misses        735      735              
  Partials      100      100              

Impacted Files	Coverage Δ
internal/app/configurable.go	72.60% <100.00%> (ø)
pkg/transforms/tags.go	100.00% <100.00%> (ø)

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[jim-wang-intel]

LGTM