Create About_Panel.rs

added an about layer function that returns a view

src/server/ui/About_Panel.rs

@@ -0,0 +1,11 @@
+use cursive::views::{Dialog, TextView};
+use cursive::view::ViewWrapper;
+use cursive::{Printer, View};
+
+pub fn About() -> Box<dyn View> {
+    Box::new(
+        Dialog::new()
+            .content("rust chat server written by Mitchel Hardie & Michael Bailey (c) 2020")
+            .button("Close", |s| {s.pop_layer();})
+    )
+}