feat: database backend add ssdb support

[neolynx]

Replaces #1115

Requirements

All new code should be covered with tests, documentation should be updated. CI should pass.

Description of the Change

Checklist

• unit-test added (if change is algorithm)
• functional test added/updated (if change is functional)
• man page updated (if applicable)
• bash completion updated (if applicable)
• documentation updated
• author name in AUTHORS

[codecov]

Codecov Report

Attention: Patch coverage is 71.24011% with 109 lines in your changes missing coverage. Please review.

Project coverage is 74.41%. Comparing base (b5bf2cb) to head (049cd0a).

Files	Patch %	Lines
database/ssdb/storage.go	64.60%	31 Missing and 9 partials ⚠️
database/ssdb/transaction.go	81.60%	19 Missing and 4 partials ⚠️
context/context.go	12.00%	20 Missing and 2 partials ⚠️
database/ssdb/database.go	55.55%	12 Missing and 4 partials ⚠️
database/ssdb/batch.go	93.42%	4 Missing and 1 partial ⚠️
database/ssdb/log.go	25.00%	2 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1280      +/-   ##
==========================================
- Coverage   74.49%   74.41%   -0.08%     
==========================================
  Files         146      151       +5     
  Lines       16540    16918     +378     
==========================================
+ Hits        12321    12590     +269     
- Misses       3241     3329      +88     
- Partials      978      999      +21     

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