v0.2.0 — Katas expansion (20 new katas)

[v0.2.0] - 2026-06-24

Added

• 20 new katas (5 Beginner, 10 Intermediate, 5 Expert):
  • Beginner: FooBarQix, Nim Game, Word Wrap, Number to LCD, Greed
  • Intermediate: Yahtzee, Berlin Clock, Gilded Rose, Range, Birthday Greetings, Wallet, Trading Card Game, Social Network, Anagram, Bank OCR
  • Expert: Sudoku, Langton Ant, Brainfuck, Mathematical AST, Christmas Delivery
• Domains badges (English) to all 36 kata READMEs
• Repository summary image and banner in README
• GitHub issue template for hackathon task structure

Changed

• Cargo workspace updated to include all 36 kata members
• Removed [[bin]] sections from all kata Cargo.toml files

Fixed

• Build failure: output filename collision across 28 kata solutions bins
• Build failure: E0597 lifetime error in christmas-delivery solution

Resolved Issues

• #46, #48