update password rule in bus

src/pages/authentication/auth-forms/BusCustomFormWizard.js

@@ -603,6 +603,17 @@ const BusCustomFormWizard = (props) => {
                                                     </FormHelperText>
                                                 )}
                                             </Stack>
+                                            <Grid container spacing={2} alignItems="center">
+                                                <Grid item>
+                                                    <Typography fontSize="0.75rem">
+                                                    <br/>
+                                                    •至少8個字元，字元越多越好 <br/>
+                                                    •字母和數字的混合<br/>
+                                                    •英文字母大寫與小寫的混合<br/>
+                                                    •至少包含一個特殊符號，例如，@ # ?
+                                                    </Typography>
+                                                </Grid>
+                                            </Grid>
                                         </Grid>                                        
                                     </Grid>
                                 </Grid>