Add EFF - Erlang one

_data/research/foundations-to-add.csv

@@ -15,4 +15,5 @@ OW2,https://www.ow2.org,FR,,French 1901 Non-profit Association,
 PostgreSQL Europe,https://postgresql.eu,FR,,French 1901 Non-profit Association,
 R Foundation,https://www.r-project.org/foundation/,AU,,Austrian non-profit association (Verein),
 Hack Club,https://hackclub.com/,US,CA,c3 EIN 81-2908499,"Focus on high schools, teens, and hackathons, but lots of fiscal hosting"
-PHP Foundation,https://thephp.foundation/foundation/,US,,How should we model well-organized projects with boards (etc) that aren't legal entities at all? They're a collective at OC.,
+PHP Foundation,https://thephp.foundation/foundation/,US,,How should we model well-organized projects with boards (etc) that aren't legal entities at all? They're a collective at OC.,
+Erlang Ecosystem Foundation,https://www.erlef.org/,US,CA,EIN 83-3185247,