Add VTEX Integrated Store support

- We have 8.000 active stores in Brazil and 250.000 registered;

- Examples to check X-Powered-By:
www.mandoras.com.br
www.dotcam.com.br
www.woufstore.com.br
www.adsiveshop.com.br

src/apps.json

@@ -6343,6 +6343,15 @@
 			"url": "\\.vox\\.com",
 			"website": "www.vox.com"
 		},
+		"VTEX Integrated Store": {
+		  	"cats": [
+				6
+			],
+			"headers": {
+				"X-Powered-By": "vtex-integrated-store"
+			},
+			"website": "lojaintegrada.com.br"
+		},
 		"Vue.js": {
 			"cats": [
 				12