Hotjar -- add detection via script and env

src/apps.json

@@ -3430,6 +3430,18 @@
 			},
 			"website": "http://hotarucms.org"
 		},
+		"Hotjar": {
+			"cats": [
+				"10"
+			],
+			"env": [
+				"^HotLeadfactory$",
+				"^HotleadController$",
+			],
+			"icon": "Hotjar.png",
+			"script": "^//static\\.hotjar\\.com/c/hotjar-",
+			"website": "https://www.hotjar.com"
+		},
 		"HubSpot": {
 			"cats": [
 				"32"
@@ -10319,4 +10331,4 @@
 			"priority": "9"
 		}
 	}
-}
+}