feat: add idempotency

[nootey]

Proposed changes

• Add idempotency key to transactions and transfers tables
• Soft lock client buttons on submit
• Client change is applicable to all insert forms

Types of changes

What types of changes does your code introduce?
Put an x in the boxes that apply

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation Update (if none of the other choices apply)

Further comments

If this is a relatively large or complex change, kick off the discussion by explaining why you chose the solution you
did and what alternatives you considered, etc...

[github-actions]

Merging this branch will not change overall coverage

Impacted Packages	Coverage Δ	🤖
github.com/nootey/wealth-warden/internal/http/handlers	0.00% (ø)
github.com/nootey/wealth-warden/internal/models	0.00% (ø)
github.com/nootey/wealth-warden/internal/repositories	0.00% (ø)
github.com/nootey/wealth-warden/internal/services	0.00% (ø)
github.com/nootey/wealth-warden/mocks	0.00% (ø)
github.com/nootey/wealth-warden/pkg/utils	0.00% (ø)

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Coverage by file

Changed files (no unit tests)

Changed File	Coverage Δ	Total	Covered	Missed	🤖
github.com/nootey/wealth-warden/internal/http/handlers/transactions_handler.go	0.00% (ø)	0	0	0
github.com/nootey/wealth-warden/internal/models/transaction_models.go	0.00% (ø)	0	0	0
github.com/nootey/wealth-warden/internal/repositories/transaction_repository.go	0.00% (ø)	0	0	0
github.com/nootey/wealth-warden/internal/services/transaction_service.go	0.00% (ø)	0	0	0
github.com/nootey/wealth-warden/mocks/mock_TransactionServiceInterface.go	0.00% (ø)	0	0	0
github.com/nootey/wealth-warden/pkg/utils/ledger_utils.go	0.00% (ø)	0	0	0

Please note that the "Total", "Covered", and "Missed" counts above refer to code statements instead of lines of code. The value in brackets refers to the test coverage of that file in the old version of the code.

Changed unit test files

• github.com/nootey/wealth-warden/internal/http/handlers/transactions_handler_test.go
• github.com/nootey/wealth-warden/internal/services/transaction_service_test.go