Add an optional footer for the generated PDF

[Magnusrm]

Adds config for showing a footer at the bottom of the generated PDF pages.

Description

Adds a new property to "PdfGeneratorSettings" in appsettings.json: "DisplayFooter". The property is a boolean that, when true, adds a footer to each page of your generated PDF. The footer contains information about the title of the document, the date and time the pdf was generated, the altinn-reference-id, and the current and total page number.

Related Issue(s)

• 787

Verification

• [x] Your code builds clean without any errors or warnings
• [x] Manual testing done (required)
• [x] Relevant automated test added (if you find this hard, leave it and we'll help out)
• [x] All tests run green

Documentation

• [ ] User documentation is updated with a separate linked PR in altinn-studio-docs. (if applicable)

[sonarcloud[bot]]

Quality Gate failed

Failed conditions
38.9% Coverage on New Code (required ≥ 65%)
50.0% Condition Coverage on New Code (required ≥ 65%)

See analysis details on SonarCloud