Moved expansions files to better name

Signed-off-by: Avior <florian.bouillon@delta-wings.net>

expansions/bw.ts

@@ -0,0 +1,10 @@
+import Expansion from "../interfaces/Expansion";
+
+const set: Expansion = {
+	name: {
+		en: "Black & White"
+	},
+	code: "bw"
+}
+
+export default set