Added detection for WebAdministrator CMS (#308)

* Added detection for WebAdministrator CMS

* Apply suggestion from @tunetheweb

---------

Co-authored-by: Barry Pollard <barrypollard@google.com>

Author: snicket2100

src/technologies/w.json

@@ -809,6 +809,16 @@
     "scriptSrc": "web2py\\.js",
     "website": "https://web2py.com"
   },
+  "WebAdministrator CMS": {
+    "cats": [
+      1
+    ],
+    "description": "WebAdministrator CMS is a content management system used heavily by Polish public institutions.",
+    "html": [
+      "<!-- [\\d\\.]+ / WebAdministrator \\(\\d{2}.\\d{2}\\.\\d{4} \\d{2}:\\d{2}\\) //-->"
+    ],
+    "website": "https://www.jskinternet.pl/jsk/oferta/webadministrator-cms/"
+  },
   "WebAssembly": {
     "cats": [
       27