Add a recursive flag to the zip command - currently it is zipping nothing (#117227) (#117251)

Co-authored-by: Drew Roen <102626803+drewroengoogle@users.noreply.github.com>
diff --git a/dev/bots/docs.sh b/dev/bots/docs.sh
index 91ee3d1..a25e5f5 100755
--- a/dev/bots/docs.sh
+++ b/dev/bots/docs.sh
@@ -151,4 +151,4 @@
 
 # Zip docs
 cd "$FLUTTER_ROOT/dev/docs"
-zip api_docs.zip doc
+zip -r api_docs.zip doc