Fuck wrong repo

[Copilot]

Thanks for assigning this issue to me. I'm starting to work on it and will keep this PR's description up to date as I form a plan and make progress.

Original prompt

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This section details on the original issue you should resolve

<issue_title>Implement nicer rendering for blockquotes</issue_title>
<issue_description>Right now, theme's default rendering for blockquotes is quite ugly - just a gray text, with no clear separation from the rest of the content other than a vertical line next to it.

I think it should have:

1. Some slightly different background (but different from the ones used for .chat classes - see _custom.scss),
2. A large, half-transparent quotation mark in the top-left corner of it, behind the text.
3. Text-size slightly smaller (like in the .chat message classes)
4. It should - as it currently is doing - perform the "markdownification" of quoted content
5. Optional - if possible, it should render headings inside the quote, but NOT include them in post's table of contents
6. Optional - if possible, it should support quote's author: if the last line of the quote follows the pattern ~ [.+], then it should be rendered separately, not as the part of the quote, but somewhere close to it, and be stylistically distinct.

Be mindful that you have to initialize a submodule in themes/ first, to be able to see layout/asset files that are being overridden, and ones that are not. Please also update README and copilot-instructions.md to include this instruction from now on.</issue_description>

Comments on the Issue (you are @copilot in this section)

Fixes #1

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