filmil / cldr-spellout-numbers-sr-rs

Serbian spellout rules

cldr-spellout-numbers-sr-rs

Serbian spellout rules.

Fixing https://unicode-org.atlassian.net/browse/CLDR-13448

The spellout rules are taken from the Russian version, which is very similar. See: https://st.unicode.org/cldr-apps/numbers.jsp?locale=ru