add table commands, add tableRole to the schema, add buttons to the example

packages/core/src/Node.ts

@@ -68,6 +68,11 @@ export interface NodeConfig<Options = any, Commands = {}> extends Overwrite<Exte
    */
   isolating?: NodeSpec['isolating'] | ((this: { options: Options }) => NodeSpec['isolating']),
 
+  /**
+   * Table Role
+   */
+  tableRole?: NodeSpec['tableRole'] | ((this: { options: Options }) => NodeSpec['tableRole']),
+
   /**
    * Parse HTML
    */

packages/core/src/helpers/getSchema.ts

@@ -36,6 +36,7 @@ export default function getSchema(extensions: Extensions): Schema {
       code: callOrReturn(extension.config.code, context),
       defining: callOrReturn(extension.config.defining, context),
       isolating: callOrReturn(extension.config.isolating, context),
+      tableRole: callOrReturn(extension.config.tableRole, context),
       attrs: Object.fromEntries(extensionAttributes.map(extensionAttribute => {
         return [extensionAttribute.name, { default: extensionAttribute?.attribute?.default }]
       })),