Added include and exclude config options. Moved network definitions to dedicated file. Scraping all XEmpire sites. Added definitions for Perv City.

src/scrapers/index.js

@@ -0,0 +1,9 @@
+'use strict';
+
+const pervcity = require('./pervcity');
+const xempire = require('./xempire');
+
+module.exports = {
+    pervcity,
+    xempire,
+};