Feat(connector): [AMAZON PAY] Added Template code

[Anurag-05-prog]

Type of Change

• Bugfix
• New feature
• Enhancement
• Refactoring
• Dependency updates
• Documentation
• CI/CD

Description

Template code added for new connector Amazon Pay
https://developer.amazon.com/docs/amazon-pay-api-v2/introduction.html

Additional Changes

• This PR modifies the API contract
• This PR modifies the database schema
• This PR modifies application configuration/environment variables

Motivation and Context

How did you test it?

No test cases required

Checklist

• I formatted the code cargo +nightly fmt --all
• I addressed lints thrown by cargo clippy
• I reviewed the submitted code
• I added unit tests for my changes where possible

Fixes https://github.com/juspay/hyperswitch-cloud/issues/7282

[semanticdiff-com]

Review changes with  

Changed Files

File	Status
crates/router/src/connector.rs	97% smaller
crates/hyperswitch_connectors/src/connectors.rs	94% smaller
crates/router/src/core/payments/connector_integration_v2_impls.rs	25% smaller
crates/router/src/core/payments/flows.rs	25% smaller
crates/hyperswitch_connectors/src/default_implementations.rs	12% smaller
crates/hyperswitch_connectors/src/default_implementations_v2.rs	12% smaller
config/config.example.toml	Unsupported file format
config/deployments/integration_test.toml	Unsupported file format
config/deployments/production.toml	Unsupported file format
config/deployments/sandbox.toml	Unsupported file format
config/development.toml	Unsupported file format
config/docker_compose.toml	Unsupported file format
crates/api_models/src/connector_enums.rs	0% smaller
crates/common_enums/src/connector_enums.rs	0% smaller
crates/hyperswitch_connectors/src/connectors/amazonpay.rs	0% smaller
crates/hyperswitch_connectors/src/connectors/amazonpay/transformers.rs	0% smaller
crates/hyperswitch_interfaces/src/configs.rs	0% smaller
crates/router/src/types/api.rs	0% smaller
crates/router/src/types/transformers.rs	0% smaller
crates/router/tests/connectors/amazonpay.rs	0% smaller
crates/router/tests/connectors/main.rs	0% smaller
crates/router/tests/connectors/sample_auth.toml	Unsupported file format
crates/test_utils/src/connector_auth.rs	0% smaller
loadtest/config/development.toml	Unsupported file format
scripts/add_connector.sh	Unsupported file format