Add clean-pdf tool page with web form and Zotero section

src/components/tools/ToolCard.tsx

@@ -1,5 +1,5 @@
 import Link from "next/link";
-import { MessageSquareQuote, FileCode2, Palette, SlidersHorizontal, Table2, Database, Wrench, type LucideIcon } from "lucide-react";
+import { MessageSquareQuote, FileCode2, Palette, SlidersHorizontal, Table2, Database, FileText, Wrench, type LucideIcon } from "lucide-react";
 import type { ToolMeta } from "@/lib/tools/_shared/types";
 
 // Явная карта (не `import * as Icons`) — иначе весь набор lucide попадает в бандл.
@@ -10,6 +10,7 @@ const ICONS: Record<string, LucideIcon> = {
   SlidersHorizontal,
   Table2,
   Database,
+  FileText,
 };
 
 export function ToolCard({ tool }: { tool: ToolMeta }) {