feat(connector): Introduce connector template code for Facilitapay

[pixincreate]

Type of Change

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

Description

This PR introduces template code for new connector named Facilitapay.

Docs: https://sandbox-portal.facilitapay.com/#/docs

Additional Changes

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

YES.

1. config
2. crates/router/src/configs
3. loadtest/config

Motivation and Context

New connector -- Facilitapay Closes #7630

How did you test it?

just clippy
cargo +nightly fmt --all
cargo c

Hyperswitch code base should compile.

Checklist

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

[semanticdiff-com[bot]]

Review changes with  

Changed Files

File	Status
crates/router/src/core/payments/flows.rs	100% smaller
crates/router/src/connector.rs	99% smaller
crates/hyperswitch_connectors/src/connectors.rs	77% smaller
crates/hyperswitch_connectors/src/default_implementations.rs	6% smaller
crates/hyperswitch_connectors/src/default_implementations_v2.rs	5% smaller
crates/common_enums/src/connector_enums.rs	1% 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/connector_configs/src/connector.rs	0% smaller
crates/hyperswitch_connectors/src/connectors/facilitapay.rs	0% smaller
crates/hyperswitch_connectors/src/connectors/facilitapay/transformers.rs	0% smaller
crates/hyperswitch_domain_models/src/configs.rs	0% smaller
crates/router/src/core/admin.rs	0% smaller
crates/router/src/types/api.rs	0% smaller
crates/router/src/types/transformers.rs	0% smaller
crates/router/tests/connectors/facilitapay.rs	0% smaller
crates/router/tests/connectors/main.rs	0% smaller
crates/test_utils/src/connector_auth.rs	0% smaller
loadtest/config/development.toml	Unsupported file format
scripts/add_connector.sh	Unsupported file format