I have set the table name as country. Feel free to change the table name as per your project needs. Flag images are inside the flag directory. Relation between the flag image filename and code in the ...
{ "styles" : [ "node_modules/@angular/material/prebuilt-themes/indigo-pink.css", //Optional "node_modules/flag-icon-css/css/flag-icon.min.css", "src/styles.sass" ] } ...