refactor: rename figlet app to ascii and update all references

app/api/fonts/route.ts

@@ -6,7 +6,7 @@ export const dynamic = 'force-static';
 
 export async function GET() {
   try {
-    const fontsDir = path.join(process.cwd(), 'public/fonts/figlet-fonts');
+    const fontsDir = path.join(process.cwd(), 'public/fonts/ascii-fonts');
     const files = fs.readdirSync(fontsDir);
 
     const fonts = files
@@ -16,7 +16,7 @@ export async function GET() {
         return {
           name,
           fileName: file,
-          path: `/fonts/figlet-fonts/${file}`,
+          path: `/fonts/ascii-fonts/${file}`,
         };
       })
       .sort((a, b) => a.name.localeCompare(b.name));