SQLAlchemy function to import new data from foreign table

[metemaddar]

As an example: grid_calculation and grid_visualization tables have a table mapping to remote db (geonode database). We need a function to import data from these two tables from foreign server (geonode database) to the client tables. Related issue: #1473

Branch to derive

feature/chapar

[metemaddar]

The following function is used to import new data:

https://github.com/goat-community/goat/blob/afe7c7e1462c50aa1c81b7c71cc350c29570b12a/app/api/src/db/sql/init_remote_table.py#L128-L142

@EPajares It was tested and worked for grid_visualization and grid_calculation

[metemaddar]

@EPajares It can be tested also with the following code:

https://github.com/goat-community/goat/blob/afe7c7e1462c50aa1c81b7c71cc350c29570b12a/app/api/src/db/sql/init_remote_table.py#L145-L154