[Flag] Adding Scotland and Walles

src/themes/default/elements/flag.overrides

@@ -766,6 +766,10 @@ i.flag.sc:before,
 i.flag.seychelles:before {
   background-position: -72px -988px;
 }
+i.flag.gb.sct:before,
+i.flag.scotland:before {
+  background-position: -72px -1014px;
+}
 i.flag.sd:before,
 i.flag.sudan:before {
   background-position: -72px -1040px;
@@ -948,6 +952,10 @@ i.flag.vu:before,
 i.flag.vanuatu:before {
   background-position: -108px -182px;
 }
+i.flag.gb.wls:before,
+i.flag.walles:before {
+  background-position: -108px -208px;
+}
 i.flag.wf:before,
 i.flag.wallis.and.futuna:before {
   background-position: -108px -234px;