Usage
google_language_codes(x = c("latin", "latin-ext", "sinhala", "greek",
"hebrew", "vietnamese", "cyrillic", "cyrillic-ext", "devanagari", "arabic",
"khmer", "tamil", "greek-ext", "thai", "bengali", "gujarati", "oriya",
"malayalam", "gurmukhi", "kannada", "telugu", "myanmar"))