Issue: [TASK] Missing `payment_link` config in `docker_compose.toml` breaks SDK loading

## Problem
The `docker_compose.toml` file is missing the following required block:  

```toml
[payment_link]
sdk_url = "http://localhost:9050/HyperLoader.js"
```

Without this config, when generating payment links the SDK tries to fetch from `https://beta.hyperswitch.io` instead of the locally running backend. This results in failed `payment_methods` calls and the payment link not loading correctly for users.

## Solution
Add the missing `[payment_link]` block to `docker_compose.toml` with the correct `sdk_url` pointing to the local service (`http://localhost:9050/HyperLoader.js`).  

## Expected Outcome
- Payment links generated locally should correctly load the SDK from the configured local URL.  
- The `payment_methods` call should hit the backend specified in the `hyperswitch-web` service config instead of `https://beta.hyperswitch.io`.  
- Users should be able to open a generated payment link and see it working without SDK load failures.  

## Files to Modify
- `config/docker_compose.toml`  

## Verification
1. Run `docker compose up`  
2. Generate a payment link with:  
   ```bash
   curl --location 'http://localhost:8081/payments' \
     --header 'Content-Type: application/json' \
     --header 'api-key: snd_5jYonmRK338pDuk1FqxSYfpPNutQUuVFEVV23qzpqzbQ4DYfbksIgdwIkgjb3vnP' \
     --data '{
         "amount": 100,
         "currency": "USD",
         "payment_link": true,
         "profile_id": "pro_ARVaflLlXRmGS5i8jfq5",
         "return_url": "http://www.google.com"
     }'
   ```  
3. Open the generated payment link in a browser  
4. Confirm that the SDK loads successfully and the `payment_methods` API call hits the local backend  


Resolution: <think>
PR Context:
- Title: Fix: Add missing payment_method_collect config in docker_compose.toml (#9324)
- Merged: None
- Files changed: 0 files
- Commits: 0 commits

Implementation approach:
## Type of Change
- [x] Bugfix  
- [ ] New feature  
- [ ] Enhancement  
- [ ] Refactoring  
- [ ] Dependency updates  
- [ ] Documentation  
- [ ] CI/CD  

---

## Description  
This PR fixes a bug where local payment links failed to load the HyperLoader SDK correctly due to a missing configuration in `docker_compose.toml`.

### Changes Made:
- Configured `sdk_url` to point to the local instance: `http://localhost:9090/0.16.7/v0/HyperLoader.js`
- Enabled payment methods (e.g. `c
</think>

To implement this, you'll need to modify:


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