Merge pull request #1535 from limonte/master

Add SweetAlert2 app

src/apps.json

@@ -7752,6 +7752,15 @@
 			"script": "sweet-alert(?:\\.min)?\\.js",
 			"website": "http://tristanedwards.me/sweetalert"
 		},
+		"SweetAlert2": {
+			"cats": [
+				"12"
+			],
+			"html": "<link[^>]+?href=\"[^\"]+sweetalert2(?:\\.min)?\\.css",
+			"icon": "SweetAlert2.png",
+			"script": "sweetalert2(?:\\.min)?\\.js",
+			"website": "https://limonte.github.io/sweetalert2"
+		},
 		"Swiftlet": {
 			"cats": [
 				"18"