pkp/pkp-lib#9960 Button to a simplified HTML galley version

[israelcefrin]

This PR adds a button to the HTML file directly in the ToC of the issue and the Article Landing page in OJS 3.3.
It is a solution to the following issue:
pkp/pkp-lib#9960

The solution is a result of a discussion during PKP-Sprint 2024 in Minnesota, OJS Accessibility Group.

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✅ israelcefrin
❌ systems@publicknowledgeproject.org

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[asmecher]

@israelcefrin, I'm hesitant to add this to 3.3.0 so late in its release cycle, especially since this would add an untranslated locale key for languages other than English.

[israelcefrin]

Hey @asmecher , would you rather to add add to OJS 3.4 only? That's fine for me.

[asmecher]

@israelcefrin, actually, I think this would be best targeted at the main branch (for release in 3.5).

[israelcefrin]

@israelcefrin, actually, I think this would be best targeted at the main branch (for release in 3.5).

@asmecher it sounds good to me. Feel free to add it as a milestone to this version.