feat(Connector): [iMerchant Solutions] Add Connector Template Code

[Anurag-05-prog]

Type of Change

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

Description

Added connector template code for iMerchant Solutions.

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?

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

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Changed Files

File	Status
crates/router/src/connector.rs	99% smaller
crates/hyperswitch_connectors/src/connectors.rs	91% smaller
crates/common_enums/src/connector_enums.rs	62% smaller
api-reference/v1/openapi_spec_v1.json	0% smaller
api-reference/v2/openapi_spec_v2.json	0% smaller
config/config.example.toml	Unsupported file format
config/deployments/env_specific.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/connector_configs/src/connector.rs	0% smaller
crates/connector_configs/toml/development.toml	Unsupported file format
crates/connector_configs/toml/production.toml	Unsupported file format
crates/connector_configs/toml/sandbox.toml	Unsupported file format
crates/euclid/src/enums.rs	0% smaller
crates/hyperswitch_connectors/src/connectors/imerchantsolutions.rs	0% smaller
crates/hyperswitch_connectors/src/connectors/imerchantsolutions/transformers.rs	0% smaller
crates/hyperswitch_connectors/src/default_implementations.rs	0% smaller
crates/hyperswitch_connectors/src/default_implementations_v2.rs	0% smaller
crates/hyperswitch_domain_models/src/connector_endpoints.rs	0% smaller
crates/payment_methods/src/configs/payment_connector_required_fields.rs	0% smaller
crates/router/src/core/connector_validation.rs	0% smaller
crates/router/src/core/unified_connector_service/connector_config.rs	0% smaller
crates/router/src/types/api/connector_mapping.rs	0% smaller
crates/router/src/types/api/feature_matrix.rs	0% smaller
crates/router/src/types/connector_transformers.rs	0% smaller
crates/router/tests/connectors/imerchantsolutions.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
crates/test_utils/tests/sample_auth.toml	Unsupported file format
loadtest/config/development.toml	Unsupported file format
scripts/add_connector.sh	Unsupported file format