Add support for custom repositories per offering

[ia3andy]

@aloubyansky @tqvarnst @rsvoboda @fmongiar
this needs to be carefully tested

[rsvoboda]

this needs to be carefully tested

@ia3andy please add some coverage into this project please and share with us (on Slack) the link where these changes are deployed

[ia3andy]

@rsvoboda to test this:

• Clone this PR locally
• Install just
• Build just build
• Run just start-rh, just start-camel, just start-ibm

[Copilot]

Pull request overview

This PR adds support for custom Maven repositories per offering (IBM, Red Hat, Red Hat Camel). The implementation allows each offering to inject its own Maven repository configuration into generated pom.xml files.

Key changes:

• Refactored constants into separate files per offering (IBMConstants, RedHatConstants, RedHatCamelConstants, GlobalConstants)
• Added onNewProject method to inject custom repositories into generated projects
• Restructured Playwright tests with a common base class for different offering variations

Reviewed changes

Copilot reviewed 15 out of 15 changed files in this pull request and generated 7 comments.

Show a summary per file

File	Description
OfferingPlatformOverride.java	Implements repository injection logic via onNewProject method
IBMConstants.java	Contains IBM-specific presets and Maven repository configurations
RedHatConstants.java	Contains Red Hat Maven repository configurations
RedHatCamelConstants.java	Contains Red Hat Camel-specific presets
GlobalConstants.java	Contains shared constants (icons URL and tags)
PlaywrightTestBase.java	Refactored into abstract base class for offering-specific tests
RedHatOfferingTest.java	Test implementation for Red Hat offering
RedHatCamelOfferingTest.java	Test implementation for Red Hat Camel offering
IBMOfferingTest.java	Test implementation for IBM offering
application.properties	Updated bundle keys and UI IDs for offerings
theme.scss (both files)	Fixed SCSS import syntax to use @use with namespace
justfile	Updated environment variables for different offerings
deploy/build_deploy.sh	Added stage detection logic based on commit message
pom.xml	Version bump from 59 to 61

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[ia3andy]

@tqvarnst @rsvoboda i added a lot of new tests and the option to deploy to staging only. This PR is on all staging. Also I just kept the IBM repositories. Is there a reason not to add it to the others? I might be missing something