feat(pitch-deck): legal disclaimer slide + projection footer on financial slides

New DisclaimerSlide (last slide):
- Full liability disclaimer (German/English)
- Confidentiality clause (purpose limitation, 3yr duration, Konstanz jurisdiction)
- Status as private individual in founding preparation

ProjectionFooter component on 4 financial slides:
- FinancialsSlide, TheAskSlide, FinanzplanSlide, CapTableSlide
- "Alle Finanzdaten sind Planzahlen" disclaimer

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

pitch-deck/components/slides/TheAskSlide.tsx

@@ -3,6 +3,7 @@
 import { motion } from 'framer-motion'
 import { Language, PitchFunding } from '@/lib/types'
 import { t } from '@/lib/i18n'
+import ProjectionFooter from '../ui/ProjectionFooter'
 import GradientText from '../ui/GradientText'
 import FadeInView from '../ui/FadeInView'
 import AnimatedCounter from '../ui/AnimatedCounter'
@@ -147,6 +148,7 @@ export default function TheAskSlide({ lang, funding }: TheAskSlideProps) {
           </div>
         </GlassCard>
       </FadeInView>
+      <ProjectionFooter lang={lang} />
     </div>
   )
 }