docs(samples): add samples to create, read, update, and delete products

[tetiana-karasova]

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Fixes #<issue_number_goes_here> 🦕

[snippet-bot]

Here is the summary of changes.

You are about to add 9 region tags.

• samples/interactive-tutorials/product/add_fulfillment_places.py:15, tag retail_add_fulfillment_places
• samples/interactive-tutorials/product/create_product.py:16, tag retail_create_product
• samples/interactive-tutorials/product/crud_product.py:16, tag retail_crud_product
• samples/interactive-tutorials/product/delete_product.py:16, tag retail_delete_product
• samples/interactive-tutorials/product/get_product.py:16, tag retail_get_product
• samples/interactive-tutorials/product/import_products_gcs.py:19, tag retail_import_products_from_gcs
• samples/interactive-tutorials/product/remove_fulfillment_places.py:15, tag retail_remove_fulfillment_places
• samples/interactive-tutorials/product/set_inventory.py:15, tag retail_set_inventory
• samples/interactive-tutorials/product/update_product.py:16, tag retail_update_product

You are about to delete 1 region tag.

• samples/interactive-tutorials/product/import_products_gcs.py:15, tag retail_import_products_from_gcs

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[parthea]

Hi @tetiana-karasova, Please could you help to resolve the conflicts?

[parthea]

Hi @tetiana-karasova,
There is a test failure with set_inventory_test.py. Please could you take a look?

add_fulfillment_places_test.py .                                         [  9%]
create_product_test.py .                                                 [ 18%]
crud_product_test.py .                                                   [ 27%]
delete_product_test.py .                                                 [ 36%]
get_product_test.py .                                                    [ 45%]
import_products_bq_test.py .                                             [ 54%]
import_products_gcs_test.py .                                            [ 63%]
import_products_inline_test.py .                                         [ 72%]
remove_fulfillment_places_test.py .                                      [ 81%]
set_inventory_test.py F                                                  [ 90%]
update_product_test.py .                                                 [100%]

[parthea]

I'll merge once tests pass

[parthea]

Hi @tetiana-karasova ,
Please could you take a look at the 2 failing tests?

add_fulfillment_places_test.py .                                         [  9%]
create_product_test.py .                                                 [ 18%]
crud_product_test.py .                                                   [ 27%]
delete_product_test.py .                                                 [ 36%]
get_product_test.py .                                                    [ 45%]
import_products_bq_test.py .                                             [ 54%]
import_products_gcs_test.py F                                            [ 63%]
import_products_inline_test.py .                                         [ 72%]
remove_fulfillment_places_test.py .                                      [ 81%]
set_inventory_test.py F                                                  [ 90%]
update_product_test.py .                                                 [100%]

=================================== FAILURES ===================================