Issue:
Docs: Adding redirect URL details

Documentation didn't have any details about the Redirect URL.

Resolution:
<think>
PR Context:
- Title: Docs: Adding redirect url details
- Merged: 2024-08-22T12:46:04Z
- Files changed: 3 files
- Commits: 7 commits

Implementation approach:
## Type of Change
<!-- Put an `x` in the boxes that apply -->

- [ ] Bugfix
- [ ] New feature
- [ ] Enhancement
- [ ] Refactoring
- [ ] Dependency updates
- [X] Documentation
- [ ] CI/CD

## Description
<!-- Describe your changes in detail -->


### Additional Changes

- [ ] This PR modifies the API contract
- [ ] This PR modifies the database schema
- [ ] This PR modifies application configuration/environment variables

<!--
Provide links to the files with corresponding ch
</think>

To implement this, you'll need to modify:


**Detailed Implementation:**


**Commit 1:** Docs: Adding redirect url details (#5507)
Co-authored-by: hyperswitch-bot[bot] <148525504+hyperswitc
Files to modify:


**crates/api_models/src/payments.rs**
  Modify existing code