add draft shield option to extend brim to part height

web/kiri/lang/en.js

@@ -359,6 +359,8 @@ kiri.lang['en-us'] = {
     fr_spac_l:      ["additional layer spacing","between 1st layer and raft","in millimeters"],
     fr_nabl_s:      "raft enable",
     fr_nabl_l:      ["create a raft under the","model for better adhesion","uses skirt offset and","disables skirt output"],
+    fr_draf_s:      "draft shield",
+    fr_draf_l:      ["extend brim to height of part","which acts as a shield","and traps hot air"],
 
     // FDM BELT ONLY
     fl_zoff_s:      "belt offset",