Refactor file structure

[sundowndev]

• Refactor file structure
• Update action versions
• Add security headers on demo ingress controller
• Fetch version and commit from Git at build

[codecov-io]

Codecov Report

Merging #528 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #528   +/-   ##
=======================================
  Coverage   94.38%   94.38%           
=======================================
  Files          11       11           
  Lines         534      534           
=======================================
  Hits          504      504           
  Misses         22       22           
  Partials        8        8           

Impacted Files	Coverage Δ
api/controllers.go	81.25% <ø> (ø)
api/server.go	100.00% <ø> (ø)
api/validators.go	100.00% <ø> (ø)
scanners/google.go	100.00% <ø> (ø)
scanners/local.go	100.00% <ø> (ø)
scanners/numverify.go	80.00% <ø> (ø)
scanners/ovh.go	90.00% <ø> (ø)
scanners/scanners.go	76.36% <ø> (ø)
utils/logger.go	66.66% <ø> (ø)
utils/utils.go	100.00% <ø> (ø)

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