Add support for datastore publish

[waybackarchiver]

Description

This PR ...

Closes #

Checklist

• I have followed the contributing guidelines
• I have reviewed and understood the Code of Conduct
• I have searched and make sure there's no duplicate PRs
• I have updated the changelog in case of need

[codecov]

Codecov Report

Attention: Patch coverage is 17.84038% with 175 lines in your changes missing coverage. Please review.

Project coverage is 44.23%. Comparing base (3505bdc) to head (ab7d5e5).
Report is 12 commits behind head on main.

Files with missing lines	Patch %	Lines
storage/database.go	13.04%	39 Missing and 1 partial ⚠️
publish/datastore/datastore.go	0.00%	33 Missing ⚠️
storage/wayback.go	0.00%	33 Missing ⚠️
storage/migrations.go	0.00%	25 Missing ⚠️
cmd/wayback/serve.go	0.00%	21 Missing ⚠️
publish/datastore/setup.go	16.66%	10 Missing ⚠️
storage/storage.go	37.50%	8 Missing and 2 partials ⚠️
publish/publish.go	0.00%	2 Missing ⚠️
cmd/wayback/main.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #569      +/-   ##
==========================================
- Coverage   44.56%   44.23%   -0.33%     
==========================================
  Files          84       91       +7     
  Lines        6815     7107     +292     
==========================================
+ Hits         3037     3144     +107     
- Misses       3484     3652     +168     
- Partials      294      311      +17     

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[github-actions]

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