🔧 Add deep linking support

[Smartdevs17]

Problem

App cannot be opened via URL scheme.

Context

Users cannot share subscription links or receive payment links.

Proposed Solution

Implement deep linking:

1. Configure URL scheme
2. Handle subtrackr:// URLs
3. Universal links for web
4. Route to correct screen

Acceptance Criteria

• App opens from URL
• Correct screen displayed
• Data passed correctly
• Handles invalid URLs

Technical Notes

Config: app.json linking
File: Navigation setup

Constraints

• Handle missing data
• Security considerations
• iOS and Android config

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[AugistineCreates]

@AugistineCreates has applied to work on this issue as part of the Stellar Wave Program's 4th wave.

Hello Maintainer, Please assign this issue to me. I read the issue description and i am confident i can solve this

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[menawar]

@menawar has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

can i work on this

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Congratulations, @menawar! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on June 2, 2026.

🧑‍💻 @menawar: Please resolve the issue such that the repo's maintainers have enough time to review your contribution before the due date. You'll earn Points for completing the issue on-time, which will make you eligible for a share of the Stellar Wave Program's reward pool.

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