some bug fixes and add the ranking page

projects/common/src/utils/region-utils.ts

@@ -0,0 +1,11 @@
+let regionNames = new Intl.DisplayNames(["en"], { type: "region" });
+
+/**
+ * Returns the normalized region name
+ *
+ * @param region the region to normalize
+ * @returns the normalized region name
+ */
+export function normalizedRegionName(region: string) {
+  return regionNames.of(region);
+}