Set up and configure integrations + secrets management

[adelowo]

Fixe MAL-102

This PR does not build out the integrations but set outs to define common interfaces for them and
also the db schema layer including any logic to rope and find the correct integration

[codecov]

Codecov Report

Attention: Patch coverage is 32.56484% with 234 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
...nternal/secret/secretsmanager/aws_secretmanager.go	0.00%	54 Missing ⚠️
internal/secret/infisical/infisical.go	29.31%	41 Missing ⚠️
mocks/secret.go	0.00%	32 Missing ⚠️
mocks/vault.go	0.00%	30 Missing ⚠️
integration_enum.go	0.00%	20 Missing ⚠️
mocks/integration.go	0.00%	19 Missing ⚠️
internal/secret/aes/aes.go	71.66%	12 Missing and 5 partials ⚠️
internal/secret/secret_enum.go	0.00%	10 Missing ⚠️
internal/secret/vault/vault.go	88.00%	4 Missing and 2 partials ⚠️
cmd/main.go	0.00%	3 Missing ⚠️
... and 1 more

Files with missing lines	Coverage Δ
config/config.go	0.00% <ø> (ø)
internal/secret/secret.go	100.00% <100.00%> (ø)
reference.go	0.00% <ø> (ø)
reference_enum.go	0.00% <ø> (ø)
server/stripe.go	74.53% <100.00%> (+74.53%)	⬆️
swagger/docs.go	100.00% <ø> (ø)
cmd/migrate.go	0.00% <0.00%> (ø)
cmd/main.go	0.00% <0.00%> (ø)
internal/secret/vault/vault.go	88.00% <88.00%> (ø)
internal/secret/secret_enum.go	0.00% <0.00%> (ø)
... and 7 more

... and 5 files with indirect coverage changes