Update README.md

Afaan Oromoo afaan baay'inaan Afrikaa keessatti dubbataman keessaa sadarkaa afraffaarra jira akka Baayisaa Fufaan qorannoo isaa keessatti addeessetti. Kana jechuun afaan Arabaa, afaan Kiswaahiliitiif, afaan Hawusaatti aana jechuudha. Afaan Arabaa fi afaan Kiswaahilii afaan ardii biraa yoo ta'an, Afaan Oromoo afaan Afrikaa keesdubbatamu keessaa Lammaffaa ta'a; osoo mootummaa yookiin wiirtuu afaanii qabaatee immoo addunyaarratti sadarkaa sadaffaa

README.md

@@ -6,6 +6,7 @@ language:
 tags:
 - art
 pretty_name: Oromo
+license: apache-2.0
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 # Dataset Card for Dataset Name