feat(sync-secret): add app connection and secret sync for Travis CI

[adilsitos]

Context

Add app connection and sync secret for Travis CI.

Screenshots

Several screenshots on the documentation. I recommend to render the docs locally and check them

Steps to verify the change

• Go over the documentation and make sure the sync secret is happening between travis and infisical.
• Recommendations:
  • Entire repo
    • Add some secrets inside travis. Create some as publics and others as private
    • Create a sync for the entire repository on Travis.
    • Check that the public secrets were imported to infisical
    • Validate that a change or a new secret is synced with Travis
  • Specific branch
    • Add some secrets inside Travis, but now define them to a specific branch.
    • Create a sync to a specific branch.
    • Check that the public secrets are imported (only the secrets that are specific for the branch needs to be imported)
    • Validate that a change or a new secret is sync with Travis, and the right branch is defined for them

Type

• Fix
• Feature
• Improvement
• Breaking
• Docs
• Chore

Checklist

• Title follows the conventional commit format: type(scope): short description (scope is optional, e.g., fix: prevent crash on sync or fix(api): handle null response).
• Tested locally
• Updated docs (if needed)
• Updated CLAUDE.md files (if needed)
• Read the contributing guide

[linear]

ENG-2939 Create Travis CI secret sync + app connection

[maidul98]

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[mintlify]

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Project	Status	Preview	Updated (UTC)
infisical	🟢 Ready	View Preview	Apr 20, 2026, 6:54 PM

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[mathnogueira]

Tested it and it works great.

Just take a look at the doc comments.