Issue:
feat(single_use): add extra fields in `Mandate` table and `MandateData` [Blocked on #61]

## Type of Change
<!-- Put an `x` in the boxes that apply -->

- [ ] Bugfix
- [x] New feature
- [ ] Enhancement
- [ ] Refactoring
- [ ] Dependency updates

## Description
This PR adds single use mandate support and a 2 new fields to the mandate table (i.e. singe_use_amount, single_use_currency)
<!-- Describe your changes in detail -->


### Additional Changes

- [x] This PR modifies the database schema
- [ ] This PR modifies application configuration/environment variables

<!-- 
Provide links to the files with corresponding changes.


Following are the paths where you can find config files:
1. `config`
2. `crates/router/src/configs`
3. `loadtest/config`
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The change includes the following files.
- migrations/2022-12-05-090521_single_use_mandate_fields/up.sql
- migrations/2022-12-05-090521_single_use_mandate_fields/down.sql


## Motivation and Context
Here, the intension is adding a new Validation feature in PaymentsCore, for that reason following are the steps that the change is broken down to.

1. Create new types for the change #45 
2. Introduce the Flow and Connector Integration #47 
3. Add Stripe POC #50
4. Introduce the new operation and all the related components in the payments core #53 + #61 
5. Changing the `MandateData` type
6. Move the mandate related behaviour to domain
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## How did you test it?
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## Checklist
<!-- Put an `x` in the boxes that apply -->

- [x] I formatted the code `cargo +nightly fmt`
- [x] I addressed lints thrown by `cargo clippy`
- [x] I reviewed submitted code
- [ ] I added unit tests for my changes where possible
- [ ] I added a [CHANGELOG](/CHANGELOG.md) entry if applicable


Resolution:
<think>
PR Context:
- Title: feat(payout_link): add localisation support for payout link's templates
- Merged: 2024-08-12T08:08:33Z
- Files changed: 30 files
- Commits: 16 commits

Implementation approach:
## Type of Change
<!-- Put an `x` in the boxes that apply -->

- [ ] Bugfix
- [x] New feature
- [ ] Enhancement
- [ ] Refactoring
- [ ] Dependency updates
- [ ] Documentation
- [ ] CI/CD

## Description
Described in #5559 

This uses a forked version of `rust-i18n` which handles string index slicing
original - https://github.com/longbridgeapp/rust-i18n
forked - https://github.com/kashif-m/rust-i18n/commits/v3.1.1-safe

### Additional Changes

- [ ] This PR modifies the API co
</think>

To implement this, you'll need to modify:


**Detailed Implementation:**


**Commit 1:** feat(payout_link): add localisation support for payout link's templates (#5552)
Co-authored-by: hype
Files to modify:


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

**crates/common_utils/src/consts.rs**
  Modify existing code

**crates/hyperswitch_domain_models/src/api.rs**
  Modify existing code

**crates/router/src/compatibility/wrap.rs**
  Modify existing code

**crates/router/src/core/payment_link.rs**
  Modify existing code

**crates/router/src/core/payment_methods.rs**
  Modify existing code

**crates/router/src/core/payout_link.rs**
  Modify existing code

**crates/router/src/core/payouts.rs**
  Modify existing code

**crates/router/src/lib.rs**
  Add:
    - mod: pub::locale

**crates/router/src/locale.rs**
  Modify existing code

**crates/router/src/routes.rs**
  Modify existing code

**crates/router/src/routes/payout_link.rs**
  Modify existing code

**crates/router/src/routes/payouts.rs**
  Modify existing code

**crates/router/src/services/api.rs**
  Modify existing code

**crates/router/src/services/api/generic_link_response.rs**
  Add:
    - mod: pub::context

**crates/router/src/services/api/generic_link_response/context.rs**
  Add:
    - function: pub::insert_locales_in_context_for_payout_link
    - function: pub::insert_locales_in_context_for_payout_link_status