LCARS Picard Theme update for v6

[MichalSvatos]

What does this PR aim to accomplish?

Update for LCARS Picard theme for Pi-hole v6. Description and more screenshot available here.

Example preview

How does this PR accomplish the above?

• lcars-picard.css file added
• all settings-xxxx.lp updated for new wrapper div with ID (eg. <div id="setdns"> ... </div>
• added condition for lcars-picard name for Theme fonts in scripts/pi-hole/lua/header.lp

EDIT: Related PR in FTL https://github.com/pi-hole/FTL/pull/1971

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