Update docs

Change-Id:If17ec8dbd1de435c9a0caedf4daa7ee1ebe3e5b3
Reviewed-on: https://asterix-gerrit.ics.uci.edu/c/incubator-asterixdb-site/+/18219
Reviewed-by: Ian Maxon <imaxon@uci.edu>
diff --git a/content/docs/0.9.9/site/css/site.css b/content/docs/0.9.9/site/css/site.css
new file mode 100644
index 0000000..055e7e2
--- /dev/null
+++ b/content/docs/0.9.9/site/css/site.css
@@ -0,0 +1 @@
+/* You can override this file with your own styles */
\ No newline at end of file