refactor(customer): refactor customer db with storage utils and move trait to domain_models and impl to storage_model

[jagan-jaya]

Type of Change

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

Description

Move the Customer db to storage_impl and its interface to hyperswitch_domain_model

Additional Changes

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

Motivation and Context

As part of Payment method crate seperation, customer DB is required in payment methods so moving it out from router

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

[semanticdiff-com]

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Changed Files

File	Status
crates/router/src/core/payments.rs	82% smaller
crates/storage_impl/src/utils.rs	77% smaller
crates/router/src/events.rs	75% smaller
crates/storage_impl/src/mock_db/payout_attempt.rs	72% smaller
crates/storage_impl/src/payouts/payout_attempt.rs	69% smaller
crates/storage_impl/src/mock_db/payouts.rs	59% smaller
crates/router/src/core/errors.rs	58% smaller
crates/storage_impl/src/payouts/payouts.rs	50% smaller
crates/storage_impl/src/mock_db/payment_attempt.rs	50% smaller
crates/storage_impl/src/payment_method.rs	29% smaller
crates/storage_impl/src/database/store.rs	26% smaller
crates/router/src/core/errors/utils.rs	16% smaller
crates/storage_impl/src/kv_router_store.rs	12% smaller
crates/payment_methods/src/state.rs	5% smaller
crates/storage_impl/src/lookup.rs	3% smaller
crates/hyperswitch_domain_models/src/customer.rs	2% smaller
crates/router/src/db/user/sample_data.rs	2% smaller
crates/storage_impl/src/payments/payment_attempt.rs	1% smaller
crates/router/src/services.rs	1% smaller
crates/storage_impl/src/customers.rs	1% smaller
crates/router/src/db/customers.rs	1% smaller
crates/analytics/src/opensearch.rs	0% smaller
crates/hyperswitch_domain_models/src/errors.rs	0% smaller
crates/hyperswitch_domain_models/src/payment_methods.rs	0% smaller
crates/hyperswitch_domain_models/src/payments/payment_attempt.rs	0% smaller
crates/hyperswitch_domain_models/src/payments/payment_intent.rs	0% smaller
crates/hyperswitch_domain_models/src/payouts/payout_attempt.rs	0% smaller
crates/hyperswitch_domain_models/src/payouts/payouts.rs	0% smaller
crates/router/src/core/errors/user/sample_data.rs	0% smaller
crates/router/src/core/payment_methods/tokenize/payment_method_executor.rs	0% smaller
crates/router/src/core/payments/helpers.rs	0% smaller
crates/router/src/core/payments/operations/payment_status.rs	0% smaller
crates/router/src/core/payouts/helpers.rs	0% smaller
crates/router/src/core/payouts/validator.rs	0% smaller
crates/router/src/db.rs	0% smaller
crates/router/src/db/kafka_store.rs	0% smaller
crates/storage_impl/src/errors.rs	0% smaller
crates/storage_impl/src/lib.rs	0% smaller
crates/storage_impl/src/mock_db.rs	0% smaller
crates/storage_impl/src/mock_db/payment_intent.rs	0% smaller
crates/storage_impl/src/payments/payment_intent.rs	0% smaller