docs: New sections to Advanced Optimisation Guide (and aliasing!)

[goosBanny]

Description

FancyHolograms, FancyGlows

Resolved issues

Closes nothing!

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[cloudflare-workers-and-pages]

Deploying smd-wiki with    Cloudflare Pages

Latest commit:	dd6665f
Status:	✅  Deploy successful!
Preview URL:	https://36c9e24c.smd.pages.dev
Branch Preview URL:	https://fancy.smd.pages.dev

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[ukdaaan]

LG2M

[ukdaaan]

Thanks for improving things