web: add previous/compare values for all charts

apps/web/src/hooks/useNumerFormatter.ts

@@ -0,0 +1,11 @@
+export function useNumber() {
+  const locale = 'en-gb';
+
+  return {
+    format: (value: number) => {
+      return new Intl.NumberFormat(locale, {
+        maximumSignificantDigits: 20,
+      }).format(value);
+    },
+  };
+}