Restore ignores for rebar2 artifacts
diff --git a/.gitignore b/.gitignore
index a928261..c7b7b0c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,3 +10,7 @@
 c_src/*.o
 priv/erlfdb_nif.*
 _build/
+
+# Artifacts when an umbrella app (e.g. CouchDB) builds erlfdb using rebar2
+.rebar/
+ebin/