add matrix/xmpp to /instances with link to wiki

src/routes/instances/instances.ts

@@ -148,6 +148,12 @@ const instances: Instances[] = [
 	{
 		name: "Useful tools and services",
 		data: [
+			{
+				name: "Matrix",
+				description: "An open network for secure, decentralized communication.",
+				eu: "https://wiki.projectsegfau.lt/Matrix",
+				icon: "/icons/matrix.svg"
+			},
 			{
 				name: "Element",
 				description: "A feature-rich Matrix client.",
@@ -172,6 +178,12 @@ const instances: Instances[] = [
 				i2p: "http://pjsfgcl4gfbfrk5qte7qb7hqnfwyhflrjcqdldlzmy6yyr2l65oa.b32.i2p",
 				icon: "/icons/cinny.svg"
 			},
+			{
+				name: "XMPP",
+				description: "The universal messaging standard.",
+				eu: "https://wiki.projectsegfau.lt/XMPP",
+				icon: "/icons/xmpp.svg"
+			},
 			{
 				name: "SearXNG",
 				description: "A private meta-search engine.",