feat: add 'data' property to DriveStep for custom logic support

Before it was not possible to pass custom data to the `DriveStep` interface.
This limits the possiblities within a hook to execute custom logic based on the current step.

Fixes #539

docs/src/content/guides/configuration.mdx

@@ -258,6 +258,9 @@ type DriveStep = {
   // Whether to disable interaction with the highlighted element. (default: false)
   disableActiveInteraction?: boolean;
 
+  // Arbitrary data that you can pass to the step in order to support complex custom logic in hooks.
+  data?: Record<string, any>;
+
   // Callback when the current step is deselected,
   // about to be highlighted or highlighted.
   // Each callback receives the following parameters:

src/driver.ts

@@ -20,6 +20,7 @@ export type DriveStep = {
   onDeselected?: DriverHook;
   popover?: Popover;
   disableActiveInteraction?: boolean;
+  data?: Record<string, any>;
 };
 
 export interface Driver {