[ci] adds number of plays done in publish.sh

publish.sh

@@ -21,7 +21,7 @@ done
 
 # read-section
 plays_done=$(ls read/tei/*xml | wc -l)
-sed -i -e "s/##nbrPieces/${plays_done}/g"
+sed -i -e "s/##nbrPieces/${plays_done}/g" read/*html
 
 
 # copy to public repo ==========================================================