fix(demo): fix play/pause icons, add eur and gbp currency

[alexfriesen]

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows Conventional Commits
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

• Bugfix
• Feature
• Refactoring (no functional changes, no api changes)
• Other... Please describe:

What is the current behavior?

The documentation used "tuiIconPlay2Large" and "tuiIconPause2Large" as the play/pause icons, which do not exist.

Issue Number: N/A

What is the new behavior?

The correct icons will be used "tuiIconPlayLarge" and "tuiIconPauseLarge"

Does this PR introduce a breaking change?

• Yes
• No

Other information

I also added EUR and GBP to the currency Example

[MarsiBarsi]

Hey 👋

Thank you for your PR! I will take a look at why there were some issues with CI later but I see that there are no potential problems :)