Issue:
enhance(stripe): send statement descriptor to stripe

## Type of Change
<!-- Put an `x` in the boxes that apply -->

- [x] Enhancement

## Description
<!-- Describe your changes in detail -->
- Pass statement descriptor field to stripe.
- Replace Juspay with hyperswitch in docs


## Motivation and Context
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Why is this change required? What problem does it solve?
If it fixes an open issue, please link to the issue here.

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## How did you test it?
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Create a payment with both `statement_descriptor` and `statement_descriptor_suffix` and check the same in stripe dashboard.
![Screenshot 2023-03-03 at 12 15 28 PM](https://user-images.githubusercontent.com/48803246/222650470-61acda78-81ad-474d-a6f6-aa596d6352d2.png)


## Checklist
<!-- Put an `x` in the boxes that apply -->

- [x] I formatted the code `cargo +nightly fmt --all`
- [x] I addressed lints thrown by `cargo clippy`
- [x] I reviewed submitted code


Resolution:
<think>
PR Context:
- Title: refactor: rename statement descriptor to statement descriptor name
- Merged: 2023-03-04T06:10:19Z
- Files changed: 7 files
- Commits: 1 commits

Implementation approach:
## Type of Change
<!-- Put an `x` in the boxes that apply -->

- [x] Refactoring

## Description
<!-- Describe your changes in detail -->
Renaming the field in `PaymentsRequest` and `PaymentsResponse` back to statement_descriptor_name.



## Motivation and Context
<!--
Why is this change required? What problem does it solve?
If it fixes an open issue, please link to the issue here.

If you don't have an issue, we'd recommend starting with one first so the PR
can focus on the imp
</think>

To implement this, you'll need to modify:


**Detailed Implementation:**


**Commit 1:** refactor: rename statement descriptor to statement descriptor name (#711)
Files to modify:


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

**crates/router/src/compatibility/stripe/payment_intents/types.rs**
  Modify existing code

**crates/router/src/compatibility/stripe/setup_intents/types.rs**
  Modify existing code

**crates/router/src/core/payments/operations/payment_create.rs**
  Modify existing code

**crates/router/src/core/payments/transformers.rs**
  Modify existing code

**crates/router/tests/payments.rs**
  Modify existing code

**crates/router/tests/payments2.rs**
  Modify existing code