Use numeral.js to format memory, allow use of GiB with an option

numeral.js has a formatter for both kilobyte and kibibyte, so why use a custom formatter that only goes up to exabyte?
Also added a setting to allow people who really want to see GiB to enable that, even if it doesn't make sense.

src/ui/React/GameOptionsRoot.tsx

@@ -78,6 +78,7 @@ export function GameOptionsRoot(props: IProps): React.ReactElement {
   const [enableBashHotkeys, setEnableBashHotkeys] = useState(Settings.EnableBashHotkeys);
   const [timestampFormat, setTimestampFormat] = useState(Settings.TimestampsFormat);
   const [saveGameOnFileSave, setSaveGameOnFileSave] = useState(Settings.SaveGameOnFileSave);
+  const [useIEC60027_2, setUseIEC60027_2] = useState(Settings.UseIEC60027_2);
 
   const [locale, setLocale] = useState(Settings.Locale);
   const [diagnosticOpen, setDiagnosticOpen] = useState(false);
@@ -154,6 +155,10 @@ export function GameOptionsRoot(props: IProps): React.ReactElement {
     setDisableASCIIArt(event.target.checked);
     Settings.DisableASCIIArt = event.target.checked;
   }
+  function handleUseIEC60027_2Change(event: React.ChangeEvent<HTMLInputElement>): void {
+    setUseIEC60027_2(event.target.checked);
+    Settings.UseIEC60027_2 = event.target.checked;
+  }
 
   function handleDisableTextEffectsChange(event: React.ChangeEvent<HTMLInputElement>): void {
     setDisableTextEffects(event.target.checked);
@@ -513,6 +518,16 @@ export function GameOptionsRoot(props: IProps): React.ReactElement {
                 }
               />
             </ListItem>
+            <ListItem>
+              <FormControlLabel
+                control={<Switch checked={useIEC60027_2} onChange={handleUseIEC60027_2Change} />}
+                label={
+                  <Tooltip title={<Typography>If this is set all references to memory will use GiB instead of GB, in accordance with IEC 60027-2.</Typography>}>
+                    <Typography>Use GiB instead of GB</Typography>
+                  </Tooltip>
+                }
+              />
+            </ListItem>
             <ListItem>
               <Tooltip
                 title={