feat: add wiki words frequency (en)

Uploaded from https://github.com/borisdayma/wikipedia-word-frequency/raw/feat-update/results/enwiki-20210820-words-frequency.txt

.gitattributes

@@ -25,3 +25,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.zip filter=lfs diff=lfs merge=lfs -text
 *.zstandard filter=lfs diff=lfs merge=lfs -text
 *tfevents* filter=lfs diff=lfs merge=lfs -text
+enwiki-words-frequency.txt filter=lfs diff=lfs merge=lfs -text

enwiki-words-frequency.txt

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:de7c8f42e345c2ff1d6a05772c64749f379528bb2eca6abdda7cb830d89c4b36
+size 33773562