Update quickdb.js.org

- [x] There is reasonable content on the page (see: [No Content](https://github.com/js-org/js.org/wiki/No-Content))
- [x] I have read and accepted the [Terms and Conditions](http://js.org/terms.html)

Adds `// noCF` as described in #4374, hopefully fixing the error displayed by CloudFlare.

cnames_active.js

@@ -1678,7 +1678,7 @@ var cnames_active = {
   "querybuilder": "mistic100.github.io/jQuery-QueryBuilder", // noCF? (don´t add this in a new PR)
   "question": "teamtofu.github.io/questionify",
   "quick-crud": "kingrayhan.github.io/quick-crud",
-  "quickdb": "truexpixels.gitbooks.io/quickdb",
+  "quickdb": "truexpixels.gitbooks.io/quickdb", // noCF
   "quickerdb": "maniabots.github.io/QuickerDB",
   "quickmongo": "snowflake107.github.io/quickmongo",
   "quincy": "quincyx.github.io",