Added basic hexfile reading that respects r/w perms

app/views/memory/table.html.erb

@@ -0,0 +1,16 @@
+<table class="memory-table", data-project="<%=params[:project]%>">
+  <tr>
+    <% ["Address","0","1","2","3","4","5","6","7","8","9","A","B","C","D","E","F"].each do |i| %>
+      <th><b><%=i%></b></th>
+    <% end %>
+  </tr>
+  <% @data.in_groups_of(16).each_with_index do |row, rindex| %>
+    <tr>
+      <td><b><%=(rindex*16).to_s(16).upcase.rjust(6, "0")%></b></td>
+      <% row.each_with_index do |hex, hindex| %>
+        <td contenteditable="<%=@can_edit%>" id="memory-<%=(16*rindex)+hindex%>"><%=hex.to_s.upcase.rjust(2, "0")%></td>
+      <% end %>
+    </tr>
+  <% end %>
+</table>
+<br>