Resolves kafbat/kafka-ui#90 Added contract profile, to only build API, local profile now builds frontend

[KliminV]

Added contract profil, to only build API
Local profile now builds frontend

• Breaking change? (if so, please describe the impact and migration path for existing application instances)

What changes did you make? (Give an overview)
Resolves #90

Is there anything you'd like reviewers to focus on?

How Has This Been Tested? (put an "x" (case-sensitive!) next to an item)

• No need to
• Manually (please, describe, if necessary)
• Unit checks
• Integration checks
• Covered by existing automation

Checklist (put an "x" (case-sensitive!) next to all the items, otherwise the build will fail)

• [x ] I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation (e.g. ENVIRONMENT VARIABLES)
• My changes generate no new warnings (e.g. Sonar is happy)
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged

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[github-actions]

Hi KliminV! 👋

Welcome, and thank you for opening your first PR in the repo!

Please wait for triaging by our maintainers.

Please take a look at our contributing guide.

[KliminV]

I think no unit tests are needed. However I would be happy to update documentation if needed
Also, can't link issue myself #90

[KliminV]

@Haarolean could you please take a look?

[Haarolean]

hey @KliminV,
appreciate the effort on this! while this was open, we ended up migrating to gradle (#783), so this config is no longer needed.

in gradle, these things are now handled like this:

release = resolveBooleanProperty("release")
    includeFrontend = resolveBooleanProperty("include-frontend", release)
    buildDockerImages = resolveBooleanProperty("build-docker-images", release)
    runE2e = resolveBooleanProperty("run-e2e")
    e2eHeadlessOff = resolveBooleanProperty("e2e-headless-off")
    e2eSelenoidOff = resolveBooleanProperty("e2e-selenoid-off")

if you're up for it, would love to see you tackle another issue - here are a few that might be interesting:
good first issues

thanks again, and i'll make sure to review quicker next time! :)