Feat: Detached buckets

[fenos]

What kind of change does this PR introduce?

Feature

What is the new behavior?

Implements linked / detached buckets (naming still to finalize)

You'll be able to create buckets that are linked to an external S3-compatible bucket of your choice.

[coveralls]

Pull Request Test Coverage Report for Build 5467197486

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A quick fix for this PR: rebase it; your next report should be accurate.

• 941 of 1273 (73.92%) changed or added relevant lines in 63 files are covered.
• 74 unchanged lines in 12 files lost coverage.
• Overall coverage decreased (-2.1%) to 83.151%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/http/routes/object/getObject.ts	11	12	91.67%
src/http/routes/bucket/createBucket.ts	6	8	75.0%
src/http/routes/bucket/updateBucket.ts	6	8	75.0%
src/http/routes/render/renderPublicImage.ts	14	16	87.5%
src/http/routes/tus/lifecycle.ts	25	27	92.59%
src/http/plugins/jwt.ts	7	10	70.0%
src/http/routes/object/getObjectInfo.ts	28	31	90.32%
src/http/routes/tus/file-store.ts	3	6	50.0%
src/http/plugins/db.ts	19	23	82.61%
src/storage/backend/index.ts	13	18	72.22%

Files with Coverage Reduction	New Missed Lines	%
src/database/tenant.ts	1	58.05%
src/http/plugins/metrics.ts	1	96.92%
src/http/routes/tus/file-store.ts	1	65.91%
src/queue/events/multipart-upload-completed.ts	1	88.1%
src/storage/backend/index.ts	1	70.97%
src/database/connection.ts	2	91.33%
src/storage/backend/file.ts	2	39.08%
src/test/common.ts	5	92.59%
src/http/routes/tus/index.ts	8	73.9%
src/http/routes/tus/handlers.ts	11	45.94%

Totals
Change from base Build 5398587998:	-2.1%
Covered Lines:	7753
Relevant Lines:	9246

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💛 - Coveralls