fix(outbound): add useDcr/dcrUrl to OutboundApplication type

[talaharoni]

Related Issues

Fixes: #746

Changes

• Add useDcr/dcrUrl to the OutboundApplication type
• Adds a createApplication test + README note

Must

• Tests
• Documentation (if applicable)

[shuni-bot-dev]

🐕 Review complete — View session on Shuni Portal 🐾

[shuni-bot-dev]

🐕 Suggested Reviewers

The review assignment strategy focused on recent contributors who have worked on the same or related files, ensuring they have relevant context and familiarity with the data types and test structures involved in this PR. This approach promotes efficient and knowledgeable reviews.

Reviewer	Reason
aviadl	Recent contributor to multiple files including the main type definitions and tests, indicating familiarity with the impacted areas.
oruis123	Contributed to similar files as aviadl and has recent experience modifying outboundapplication.test.ts and types.ts, making them well-suited for reviewing the changes.
dorsha	Contributed to key files such as types.ts, providing relevant expertise in the data structures and types involved.
asmshshen	Contributed to the types.ts file, helpful for reviewing the modifications to the OutboundApplication type and related types.

_{Suggested by Shuni based on git history and PR context. Names are not @-mentioned to avoid notifying anyone — request a review from whoever fits best.}

[shuni-bot-dev]

🐕 Shuni's Review

Adds optional useDcr/dcrUrl to the OutboundApplication type so DCR-based outbound apps can be created via createApplication without a cast.

No issues found — good bones! The fields mirror OutboundAppTemplateOverrides, createApplication spreads the payload through, and the new test verifies pass-through. Woof!