New Functions (32 across 7 languages)

• R: toupper, tolower, nchar, sqrt, round, max, min (7)
• Lua: string.len, string.rep, string.reverse, math.sqrt, math.sin, math.cos, math.max, math.min (8)
• AWK: cos, exp, log, sin, sqrt (5)
• Elixir: String.downcase, String.upcase, String.length, String.reverse (4)
• Clojure: string/lower-case, string/upper-case, string/reverse, string/trim, string/blank? (5)
• Julia: lowercase, uppercase (2)
• Perl: reverse (1)

Infrastructure

• Moved rosetta.yml from src/_data/ to src/ for cleaner structure
• Fixed parity test handlers for Julia, Elixir, Clojure, R (string quoting, float precision)
• Updated cross-language mappings in rosetta.yml

Full changelog: https://github.com/locutusjs/locutus/blob/main/CHANGELOG.md