Readonly pandas dataframe grid

[gbrault]

Thanks for this very good component
could be helpful to add an example of read-only grid.

Here is a skeleton:

query = ""  # ...
engine = None #...
description = pd.read_sql_query(query, engine) # add some more context
class DataFrameModel_noedit(rt.datamodel.pandas.DataFrameDataModel):
    def editable(self, x, y):
        return False
    
w1 = rt.RegularTableWidget()
w1.datamodel = DataFrameModel_noedit(description)
w1