major change: Add security support & Adjust GUI

Change-Id: I7abef37169dec1ef4b68e760dee5214c147c1915
diff --git a/src/config.proto b/src/config.proto
new file mode 100644
index 0000000..59cd8cc
--- /dev/null
+++ b/src/config.proto
@@ -0,0 +1,6 @@
+package ChronoChat;
+
+message Conf {
+  required string identity = 1;
+  optional string nick = 2;
+}
\ No newline at end of file