fix: Add http scheme support and removed the constraint from public keys table

[mineme0110]

Overview

Add http scheme configuration support to allow changing the scheme to https
Removed the constraint from the public_keys table

Screenshots

Checklists

Pre-submit checklist:

• Self-reviewed the diff
• New code has proper comments/documentation/tests
• Any changes not covered by tests have been tested manually
• The README files are updated
• If new libraries are included, they have licenses compatible with our project
• If there is a db migration altering existing tables, there is a proper migration test

Pre-merge checklist:

• Commits have useful messages
• Review clarifications made it into the code

[github-actions]

Unit Test Results

289 tests  ±0   288 ✔️ ±0   24s ⏱️ ±0s
  36 suites ±0       1 💤 ±0 
  36 files   ±0       0 ❌ ±0 

Results for commit 259bc83. ± Comparison against base commit 9279bfe.

♻️ This comment has been updated with latest results.

[atala-dev]

🦙 MegaLinter status: ⚠️ WARNING

Descriptor	Linter	Files	Fixed	Errors
✅ ACTION	actionlint	2		0
✅ JSON	jsonlint	9		0
✅ JSON	npm-package-json-lint	yes		no
⚠️ JSON	prettier	9		1
✅ JSON	v8r	9		0
⚠️ MARKDOWN	markdownlint	7		109
⚠️ MARKDOWN	markdown-link-check	7		12
⚠️ MARKDOWN	markdown-table-formatter	7		1
⚠️ PROTOBUF	protolint	4		4
✅ REPOSITORY	dustilock	yes		no
✅ REPOSITORY	git_diff	yes		no
✅ REPOSITORY	grype	yes		no
⚠️ REPOSITORY	kics	yes		49
✅ REPOSITORY	syft	yes		no
✅ REPOSITORY	trivy-sbom	yes		no
⚠️ REPOSITORY	trufflehog	yes		1
✅ SQL	sql-lint	2		0
✅ XML	xmllint	2		0
⚠️ YAML	prettier	3		1
✅ YAML	v8r	3		0
✅ YAML	yamllint	3		0

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[EzequielPostan]

Thank you @mineme0110