Fix sharp in container, add admin downloads and anchor mark

- ship libvips with the runtime image so POST /api/v1/media stops failing
- admin downloads openapi.json and the style guide via session, no token
- copy rows for both API addresses
- anchor mark in the wordmark and a favicon

src/components/ui/CopyButton.tsx

@@ -0,0 +1,46 @@
+'use client'
+
+import { useEffect, useState } from 'react'
+import { TbCheck, TbCopy } from 'react-icons/tb'
+import { ghostButtonClass } from '~/components/admin/styles'
+
+export type CopyButtonProps = {
+	value: string
+	label: string
+	doneLabel: string
+	className?: string
+}
+
+export function CopyButton({ value, label, doneLabel, className }: CopyButtonProps) {
+	const [copied, setCopied] = useState(false)
+
+	useEffect(() => {
+		if (!copied) {
+			return
+		}
+
+		const timer = setTimeout(() => setCopied(false), 2000)
+
+		return () => clearTimeout(timer)
+	}, [copied])
+
+	async function copy() {
+		try {
+			await navigator.clipboard.writeText(value)
+			setCopied(true)
+		} catch {
+			setCopied(false)
+		}
+	}
+
+	return (
+		<button type="button" onClick={copy} className={`${ghostButtonClass} ${className ?? ''}`}>
+			{copied ? (
+				<TbCheck aria-hidden="true" className="size-4 shrink-0" />
+			) : (
+				<TbCopy aria-hidden="true" className="size-4 shrink-0" />
+			)}
+			{copied ? doneLabel : label}
+		</button>
+	)
+}