The Svelte 5 SSG Migration (#1)

- Migrates the site to Svelte 5
- Still generates a static site with inlined critical path CSS for the ultimate in performance
- Opens up future possibilities for site growth

Reviewed-on: #1
Co-authored-by: mifi <badmf@mifi.dev>
Co-committed-by: mifi <badmf@mifi.dev>

static/assets/logos/atlassian.svg

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg viewBox="0 0 145.22149045698177 145.22149045698177" xmlns="http://www.w3.org/2000/svg" width="2500" height="2500">
+  <linearGradient id="a" gradientTransform="matrix(1 0 0 -1 0 228)" gradientUnits="userSpaceOnUse" x1="62.57" x2="25.03" y1="150.13" y2="85.11">
+    <stop offset="0" stop-color="#0052cc"/>
+    <stop offset="0.92" stop-color="#2684ff"/>
+  </linearGradient>
+  <g transform="matrix(1, 0, 0, 1, 0.059736, 0.123965)">
+    <path d="M43 67a4.14 4.14 0 0 0-5.79-.78A4.29 4.29 0 0 0 36 67.73L.45 138.85a4.25 4.25 0 0 0 1.9 5.7 4.18 4.18 0 0 0 1.9.45h49.53a4.08 4.08 0 0 0 3.8-2.35C68.27 120.57 61.79 87 43 67z" fill="url(#a)"/>
+    <path d="M69.13 2.28a93.82 93.82 0 0 0-5.48 92.61l23.88 47.76a4.25 4.25 0 0 0 3.8 2.35h49.52a4.24 4.24 0 0 0 4.25-4.25 4.31 4.31 0 0 0-.44-1.9L76.36 2.26a4 4 0 0 0-7.23 0z" fill="#2684ff"/>
+  </g>
+</svg>