[Patch] Add table detector to Markdown detector

[agayev169]

Pull request type

Please check the type of change your PR introduces:

• Bugfix
• New feature or enhancement
• UI change (please include screenshot!)
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no api changes)
• Build related changes
• Documentation content changes
• Internationalization and localization
• Other (please describe):

What is the current behavior?

Markdown detector does not detect Markdown tables at all.

Issue Number: N/A

What is the new behavior?

Now Markdown detector matches a table and detects that a provided string is a Markdown data.

Quality check

Before creating this PR:

• Did you follow the code style guideline as described in CONTRIBUTING.md
• Did you build the app and test your changes?
• Did you check for accessibility? On Windows, you can use Accessibility Insights for this. NOTE: Not related
• Did you verify that the change work in Release build configuration
• Did you verify that all unit tests pass. NOTE: CertificateDecoderCommandLineToolTests fail, but this is clearly not related to what I've done. Will try to check what is the failure reason.
• If necessary and if possible, did you verify your changes on:
  • Windows
  • macOS
  • Linux

[veler]

Hi,
This is awesome, thank you !