Adding EMEA analytics provider Gemius

Gemius' CrunchBase profile (https://www.crunchbase.com/organization/gemius):
- website: https://www.gemius.com/homepage.html
- "international research agency"
- "expanded across the EMEA region and is now currently operating in more than twenty markets"

Example sites using Gemius:
- http://gemius.pl
- http://delfi.lt
- http://seznam.cz
- http://inbox.lv
- http://tsn.ua
- http://novinky.cz
- http://tvn24.pl
- http://24sata.hr
- http://sports.ru
- http://b92.net

src/apps.json

@@ -3754,6 +3754,25 @@
       },
       "website": "https://get.gaug.es"
     },
+    "Gemius": {
+      "cats": [
+        10
+      ],
+      "icon": "Gemius.png",
+      "js": {
+        "pp_gemius_hit": "",
+        "gemius_init": "",
+        "gemius_hit": "",
+        "gemius_pending": ""
+      },
+      "script": [
+        "hit\\.gemius\\.pl/xgemius\\.js",
+        "hit\\.gemius\\.pl\\;confidence:0.8",
+        "xgemius\\.js\\;confidence:0.3"
+      ],
+      "html": "<a [^>]*onclick=\"gemius_hit",
+      "website": "https://www.gemius.com"
+    },
     "Gentoo": {
       "cats": [
         28