add big_data_storage_quota in roles-and-permissions (#212)

* add big_data_storage_quota in roles-and-permissions

* Update roles-and-permissions.md

Improve description for big_data_storage_quota.

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Co-authored-by: Jiaqiang Xu <[email protected]>

Author: AlexCXC

docs/configuration/roles-and-permissions.md

@@ -41,6 +41,7 @@ The following quotas are supported in user roles:
 | role_asset_quota               | 1.0              | Total storage quota for all personal bases: '1G' means a limit of one gigabyte for files and images (assets); '' means no storage quota for assets               | Assets in shared bases owned by another user and assets in group bases do not count against the storage quota. Does NOT apply to org users.  |
 | row_limit                      | 1.0              | Total row limit for all personal bases: 10000 means a limit of 10 000 rows; -1 means no row limit                                                                | Rows in shared bases owned by another user, rows in group bases, and rows in the big data storage do not count against the row limit. Does NOT apply to org users.   |
 | big_data_row_limit             | 3.1              | Total row limit in big data storage for all bases: 100000 means a limit of 100 000 rows                                                                              | This item is used for the role of teams rather than users. Does NOT apply to org users. |
+| big_data_storage_quota         | 4.3              | Total storage quota for all bases in big data storage: '1G' means a limit of one gigabyte; '' means no storage quota for big data storage. This quota doesn't include assets storage (file and image columns), which are stored outside of the bases.            | This item is used for the role of teams rather than users. Does NOT apply to org users. |
 | scripts_running_limit          | 2.3              | Total number of _Python_ scripts run within a month: 100 means 100 script runs per month; -1 means unlimited script runs                                         | The script run counter is reset at the beginning of every month.  |
 | snapshot_days                  | 2.1              | Retention period for snapshots in days: 180 means a storage period of 180 days; no value means an unlimited retention period                                     | Snapshots older than the retention period are automatically removed.   |
 | share_limit                    |                  | Max number of users a base can be shared with: 100 means a base can be shared with 100 users             |    |