Server config load and graceful client exit

example.conf

@@ -0,0 +1,27 @@
+// Server configuration file
+
+clients = (
+  {
+    client_id = "test1";
+    nickname = "Kregielnia";
+  },
+  {
+    client_id = "test2";
+    nickname = "Bajzel";
+  }
+);
+
+groups = (
+  {
+    name = "HelloChat";
+    members = ["test1", "test2"];
+  },
+  {
+    name = "Macarena";
+    members = [];
+  },
+  {
+    name = "Bananownia";
+    members = ["test2"];
+  }
+);