fixes for table helper and examples

Author: KevinVandy

examples/react/basic-table-helper/src/main.tsx

@@ -53,15 +53,16 @@ const defaultData: Array<Person> = [
 
 // 3. New in V9! Tell the table which features and row models we want to use. In this case, this will be a basic table with no additional features
 const tableHelper = createTableHelper({
-  _features: {},
+  _features: {columnSizingFeature: {}},
   _rowModels: {}, // client-side row models. `Core` row model is now included by default, but you can still override it here
   _processingFns: {}, // client-side processing functions used by the row models (sorting, filtering, etc.). Not needed in this basic example
-  TData: {} as Person,
   debugTable: true,
+  // TData: {} as Person, // optionally, set the TData type for the table helper. Omit if this will be a table helper for multiple tables of all different data types
 })
 
 // 4. Create a helper object to help define our columns
-const { columnHelper } = tableHelper
+// const { columnHelper } = tableHelper // if TData was set in the table helper options - otherwise use the createColumnHelper method below
+const columnHelper = tableHelper.createColumnHelper<Person>()
 
 // 5. Define the columns for your table with a stable reference (in this case, defined statically outside of a react component)
 const columns = columnHelper.columns([