docs: add export & import via csv

Signed-off-by: Wing-Kam Wong <wingkwong.code@gmail.com>

packages/noco-docs/content/en/setup-and-usages/table-operations.md

@@ -26,10 +26,8 @@ You can't disable the `id` column since NocoDB needs a primary column for every
 
 After the successful submission, the table will be created and open as a new tab.  
   
-  
 ![TableCreated](https://user-images.githubusercontent.com/86527202/144402089-b5e35564-80d5-4105-9e00-7e3e1c4a5030.png)
 
-
 ### Table Rename
 
 Right click on Table name on left hand project-tree menu, select `Rename`
@@ -37,13 +35,11 @@ In modal popup, enter new table name and click `Submit` button
   
 <img src="https://user-images.githubusercontent.com/86527202/144403447-1b2e4368-eb2b-40c0-901a-54e8adf9a80c.png" width="60%"/>
 
-
 ### Table Delete
 
 The table can be deleted using the `delete` icon present in the toolbar within the table tab.
 <img src="https://user-images.githubusercontent.com/86527202/144403591-5d3d36eb-64b7-4057-9244-56a95b47b97b.png" width="60%"/>
 
-
 ## Column
 
 ### Column Add
@@ -111,4 +107,14 @@ Right-click on anywhere in the row and then from the context menu select `Delete
 Bulk delete is also possible by selecting multiple rows by using the checkbox in first column and then `Delete Selected Rows` options from the right click context menu.  
 <img src="https://user-images.githubusercontent.com/86527202/144406191-ccff1382-e808-44e8-babe-bd937faf1b3d.png" width="40%"/>
 
+## Export Data
+
+You can export your data from a table as a CSV file by clicking `More` and `Download as CSV`.
+
+![image](https://user-images.githubusercontent.com/35857179/163556138-2aa0a782-12e9-49c7-aadf-b7778e91557f.png)
+
+## Import Data
+
+You can import your data in CSV format to a table by clicking `More` and `Upload CSV`.
 
+![image](https://user-images.githubusercontent.com/35857179/163556175-116b12c2-ca2e-4b54-a65a-39250541d873.png)