Add "new-group" and "contacts" pages

- Style new group page
- Improve style in chat page

src/theme/variables.scss

@@ -250,6 +250,7 @@
   --border-radius: 10px;
   padding: 25px;
 } */
+//MODALS
 .emend-message-modal{
   --height: 50%;
   --border-radius: 10px;
@@ -262,6 +263,11 @@
   padding: 25px;
   background: rgba(51, 51, 51, 0.3); 
 }
+.newchat, .new-group{
+  padding-top: 73px;
+  --border-radius: 25px 25px 0 0;
+  --border-width:0px;
+}
 .capitalizeText{
   text-transform: capitalize;
 }