feat: Add Bilingual template — EN/RU, dark mode, case studies

[diyoriko]

Summary

Adds a new Bilingual portfolio template to the Freefolio collection.

Template Features

• Bilingual: Full EN/RU language switcher (structure supports any two languages)
• Dark mode: Toggle with system preference detection and localStorage persistence
• Case study pages: Dedicated project detail template with structured content
• About page: Separate bio/skills page
• 404 page: Custom error page matching the template style
• Config-driven: config.json for site-wide settings (name, role, links)
• Zero dependencies: Pure HTML/CSS/JS, no frameworks, no CDN imports
• Accessible: Semantic HTML, ARIA labels, keyboard navigation, prefers-reduced-motion
• SEO-ready: Open Graph, meta tags, structured headings
• ~300 KB total (uncompressed, including placeholder images)

Template Structure

bilingual/
├── index.html          # Homepage (RU)
├── about.html          # About page (RU)
├── en/
│   ├── index.html      # Homepage (EN)
│   ├── about.html      # About page (EN)
│   └── projects/
│       └── example.html # Case study (EN)
├── projects/
│   └── example.html    # Case study (RU)
├── assets/img/         # Placeholder images
├── styles.css
├── script.js
├── config.json
├── favicon.svg
└── 404.html

Screenshots

Checklist

• Title tag follows convention: "Bilingual a Freefolio template by OSSPH"
• Has meta description tag
• Static — no external dynamic data required
• No excessively large images (screenshot 124 KB, all placeholders compressed)
• Not a copy of any existing template
• No vulgar content
• Screenshot added to images/ folder
• README.md updated with template entry

Live demo of this template: diyor.design
Source repo: diyoriko/portfolio-template

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