Add and update license headers

[michael-valdron]

Please specify the area for this PR

What does does this PR do / why we need it:

Adds and updates license headers in all source files, script files, and configuration files. License header changes were completed in devfile/api#1242.

Additional changes: Adds logging of diffs when generation of source is different than generated source changes in commits.

Which issue(s) this PR fixes:

Fixes #?

fixes devfile/api#1294

PR acceptance criteria:

• Test Coverage
  • Are your changes sufficiently tested, and are any applicable test cases added or updated to cover your changes?

Documentation (WIP)

• Does the REST API doc need to be updated with your changes?
• Does the registry library doc need to be updated with your changes?

How to test changes / Special notes to the reviewer:

For oapi-codegen use the following to install: go install github.com/deepmap/oapi-codegen/cmd/oapi-codegen@v1.12.4

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (086246b) 35.93% compared to head (ecf88ff) 35.93%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #186   +/-   ##
=======================================
  Coverage   35.93%   35.93%           
=======================================
  Files           7        7           
  Lines        1347     1347           
=======================================
  Hits          484      484           
  Misses        816      816           
  Partials       47       47           

Files	Coverage Δ
index/server/pkg/server/endpoint.gen.go	2.69% <ø> (ø)
index/server/pkg/server/endpoint.go	40.90% <ø> (ø)
index/server/pkg/server/index.go	0.00% <ø> (ø)
index/server/pkg/server/registry.go	21.27% <ø> (ø)
index/server/pkg/util/filter.go	86.66% <ø> (ø)
index/server/pkg/util/telemetry.go	72.60% <ø> (ø)
index/server/pkg/util/util.go	65.66% <ø> (ø)

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[michael-valdron]

Additional changes: Adds logging of diffs when generation of source is different than generated source changes in commits.

fixed in 135d00e

[michael-valdron]

Testing is blocked: devfile/api#1294 (comment)

[thepetk]

/retest

[michael-valdron]

/retest

[thepetk]

@michael-valdron I think we need to rebase to the latest main to fix the check which fails atm

[michael-valdron]

@michael-valdron I think we need to rebase to the latest main to fix the check which fails atm

Yeah forgot to rebase the fix in, rebasing now..

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: michael-valdron, thepetk

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• OWNERS [michael-valdron,thepetk]

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[thepetk]

/lgtm