refactor: Replace Bach with Application on every naming (#292)
Files to modify:


**router.rs**
  Modify existing code

**wrap.rs**
  Modify existing code

**settings.rs**
  Add:
    - struct: pub::Refund

**adyen.rs**
  Modify existing code

**admin.rs**
  Modify existing code

**customers.rs**
  Modify existing code

**errors.rs**
  Remove:
    - enum: pub::BachError
  Add:
    - enum: pub::ApplicationError

**mandate.rs**
  Modify existing code

**cards.rs**
  Modify existing code

**payments.rs**
  Modify existing code

**helpers.rs**
  Modify existing code

**transformers.rs**
  Modify existing code

**refunds.rs**
  Modify existing code

**validator.rs**
  Modify existing code

**utils.rs**
  Modify existing code

**webhooks.rs**
  Modify existing code

**refund.rs**
  Modify existing code

**lib.rs**
  Modify existing code

**api.rs**
  Remove:
    - enum: pub::BachResponse
  Add:
    - enum: pub::ApplicationResponse

**types.rs**
  Modify existing code

**webhooks.rs**
  Modify existing code

**aci.rs**
  Modify existing code

**authorizedotnet.rs**
  Modify existing code

**checkout.rs**
  Modify existing code

**utils.rs**
  Modify existing code

**payments.rs**
  Modify existing code

**payments2.rs**
  Modify existing code

**refund.rs**
  Modify existing code

**schema.rs**
  Modify existing code