Add a pattern for old-school pelican setups (#2390)

* Add a pattern for old-school pelican setups

This can be verified [here](https://doar-e.github.io/blog/2018/07/14/cve-2017-2446-or-jscjsglobalobjectishavingabadtime/)

* Fix the JSON

src/apps.json

@@ -7378,7 +7378,10 @@
       "cats": [
         57
       ],
-      "html": "powered by <a href=\"[^>]+getpelican\\.com",
+      "html": [
+				"powered by <a href=\"[^>]+getpelican\\.com",
+				"powered by <a href=\"https?://pelican\\.notmyidea\\.org"
+			],
       "icon": "pelican.png",
       "implies": "Python",
       "website": "https://blog.getpelican.com/"