Add bilingual (EN/FR) content pages documenting the BSUP01 Keine Tashi
UTAU vocal library project, including character information, vocal
library specifications, download links, and usage licence.
Also add .small-img CSS class for floating images in content pages.
- Add Tool interface with name and optional link properties
- Update BadgeList and BadgeListCard components to render links
- Extract VocalSynthPage types to dedicated module
- Migrate resume.json and vocal-synthesis.json data to use Tool format
- Add links to all tools, frameworks, and technologies in resume
- Add toast notifications for contact form success/error responses
- Add toast notifications for backend errors in AppFooter
- Add accessibility explanation for honeypot field
- Add loading state to contact form submit button
- Add i18n translations for toast messages (en/fr)
- Fix honeypot input missing v-model binding
