Add extension ID for Firefox

.build.php

@@ -49,6 +49,7 @@ foreach($index as $fn)
 	if($fn == "manifest.json")
 	{
 		$json = json_decode(file_get_contents($fn), true);
+		unset($json["browser_specific_settings"]);
 		$json["incognito"] = "split";
 		$build->addFromString($fn, json_encode($json, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES));
 	}

manifest.json

@@ -44,6 +44,11 @@
 			"run_at": "document_start"
 		}
 	],
+	"browser_specific_settings": {
+		"gecko": {
+			"id": "firefox@universal-bypass.org"
+		}
+	},
 	"web_accessible_resources": [
 		"html/before-navigate.html",
 		"html/blocked.html",