feat: move fonts to public folder to fetch only when necessary

.vitepress/theme/useFiglet.ts

@@ -1,9 +1,22 @@
 import { FLFParser, FontLayoutManager } from '@figlet-ts/lib'
 
+const fontCache: Record<string, string> = {}
+
 async function loadFont(name: string) {
+  if (fontCache[name]) {
+    console.debug('getting font from cache:', name)
+    return fontCache[name]
+  }
+
+  console.debug('loading non-cached font:', name)
   try {
-    const font = await import(`./fonts/${name}.flf?raw`)
-    return font.default
+    const response = await fetch(`/fonts/${name}.flf`)
+    if (response.ok) {
+      const font = await response.text()
+      fontCache[name] = font
+      return font
+    }
+    throw new Error(`Failed to load or parse font! Response is ${response.status} - ${response.statusText}`)
   } catch (e) {
     console.error('Cannot load font', name, e)
   }