PDF report with html like links

[//]: # (
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#### I'm submitting a ...
- [ ] bug report
- [x] feature request
- [ ] support request => Please do not submit support request here, see note at the top of this template.

#### What is the current behavior?

#### If the current behavior is a bug, please provide the steps to reproduce and if possible a minimal demo of the problem

#### What is the expected behavior?
Hello Team,

This looks amazing project.. Thanks for it.

Is there any feature planned to convert this html report to pdf format.?
It would be great addition

Thanks
Abhijeet

#### What is the motivation / use case for changing the behavior?

#### Please tell us about your environment:

| Allure version | 2.2.0 |
| --- | --- |
| Test framework | testng@6.8 |
| Allure adaptor | allure-testng@2.0-BETA11 |
| Generate report using | allure-maven@2.18 |

#### Other information

[//]: # (
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The request is to add PDF conversion for the HTML report, but it names no files, tests, or entry points. Start by locating the report generation and rendering flow, then define the supported PDF output and verify that a generated report can be exported successfully.

Written by the indexing model from the issue text.