add contract link on token page

apps/block_scout_web/lib/block_scout_web/templates/tokens/overview/_details.html.eex

@@ -26,6 +26,14 @@
           <h3><%= to_string(@token.contract_address_hash) %></h3>
 
           <div class="d-flex flex-row justify-content-start text-muted">
+            <span class="mr-4">
+              <%= link to:
+                  address_path(BlockScoutWeb.Endpoint, :show, @token.contract_address_hash),
+                  "data-test": "token_contract_address"
+              do %>
+                <%=  gettext "Contract" %>
+              <% end %>
+            </span>
             <span class="mr-4"> <%= @token.type %> </span>
             <span class="mr-4"><%= @total_token_holders %>  <%= gettext "addresses" %></span>
             <span class="mr-4"><%= @total_token_transfers %> <%= gettext "Transfers" %></span>

apps/block_scout_web/lib/block_scout_web/templates/tokens/token/show.html.eex

@@ -4,7 +4,9 @@
     "_details.html",
     token: @token,
     total_token_transfers: @total_token_transfers,
-    total_token_holders: @total_token_holders
+    total_token_holders: @total_token_holders,
+    total_address_in_token_transfers: @total_address_in_token_transfers,
+    conn: @conn
   ) %>
 
   <section>