feat: embed json certificate into pdf

[christophbuehler]

Description

• [x] #249
• [x] #245
• [x] #244
• [x] #240

TL;DR

generatePdf(
  certificate,
  {
-   inputType: 'json',
-   outputType: 'buffer',
+   attachCertificate: true,
+   a3Compliant: true,
  }
)

Type of change

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [x] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [x] Refactor (a code change that neither fixes a bug nor adds a feature)
• [x] Dependencies update
• [ ] This change requires a documentation update

Checklist:

• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my own code
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] I have made corresponding changes to the documentation
• [ ] My changes generate no new warnings
• [x] I have added tests that prove my fix is effective or that my feature works
• [x] New and existing unit tests pass locally with my changes
• [x] Any dependent changes have been merged and published in downstream modules

[nx-cloud[bot]]

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[github-actions[bot]]

	Warnings
:warning:	:exclamation: Big PR (1)

	Messages
:book:	:thumbsup: You ticked most of the checkboxes!

(1) : Pull Request size seems relatively large. If Pull Request contains multiple changes, please split each into separate PRs which will make them easier to review.

Generated by :no_entry_sign: dangerJS against a3592b7954fdb25f269f3d71dfadbc77389838fa

[sonarcloud[bot]]

Quality Gate failed

Failed conditions
0.0% Coverage on New Code (required ≥ 15%)

See analysis details on SonarCloud