Update network security configuration

res/xml/network_security_configuration.xml

@@ -2,6 +2,7 @@
 <network-security-config>
     <domain-config cleartextTrafficPermitted="true">
         <domain includeSubdomains="true">imaginary.stream</domain>
+        <domain includeSubdomains="true">chat.getsession.org</domain>
         <domain includeSubdomains="true">storage.seed1.loki.network</domain>
         <domain includeSubdomains="true">storage.seed2.loki.network</domain>
         <domain includeSubdomains="true">public.loki.foundation:22023</domain>