Add link previews

Change-Id: I1792958844c18b4f4a65356dd5a07e3b2b39fcbc
diff --git a/client/src/themes/Default.ts b/client/src/themes/Default.ts
index a29c68d..5d4ddb1 100644
--- a/client/src/themes/Default.ts
+++ b/client/src/themes/Default.ts
@@ -392,6 +392,13 @@
           },
         },
       },
+      MuiLink: {
+        styleOverrides: {
+          root: {
+            color: '#005699',
+          },
+        },
+      },
       MuiListItemButton: {
         styleOverrides: {
           root: {