feat: her sayfada sagdan acilan kullanim kilavuzu (? dugmesi / ? tusu), sekmeye gore icerik

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

src/App.jsx

@@ -22,6 +22,7 @@ import { TenderCalendar } from './components/tools/TenderCalendar';
 import { ContractSearch } from './components/tools/ContractSearch';
 import { VatCalculator } from './components/tools/VatCalculator';
 import { SinirDeger } from './components/tools/SinirDeger';
+import { KullanimKilavuzu } from './components/KullanimKilavuzu';
 import { PriceAnalysis } from './components/tools/PriceAnalysis';
 import { CompetitorRadar } from './components/tools/CompetitorRadar';
 import { DocumentVault } from './components/tools/DocumentVault';
@@ -82,6 +83,7 @@ const MainContent = () => {
       <CompanyScannerModal />
       <AiSpecAnalyzerModal />
       <UrunAramaModal />
+      <KullanimKilavuzu />
     </main>
   );
 };