Adding wikipedia Maithili file to files/maithili folder

.gitattributes

@@ -70,3 +70,4 @@ files/sanskrit/sanskrit_wikidata_iast.csv filter=lfs diff=lfs merge=lfs -text
 files/marathi/marathi_wikidata_iast.csv filter=lfs diff=lfs merge=lfs -text
 files/nepali/nepali_wikidata_iast.csv filter=lfs diff=lfs merge=lfs -text
 files/bhojpuri/bhojpuri_wikidata_iast.csv filter=lfs diff=lfs merge=lfs -text
+files/maithili/maithili_wikidata_iast.csv filter=lfs diff=lfs merge=lfs -text

files/maithili/maithili_wikidata_iast.csv

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5ed4b8df98fae47b090542a266e52957fc78ade62a4c4d5f6e48d8adcdc5475d
+size 31979491