Update image definition (#47)

Signed-off-by: Kevin Su <pingsutw@gmail.com>

basic-template-imagespec/{{cookiecutter.project_name}}/workflows/example.py

@@ -20,13 +20,11 @@
 """
 
 # image_definition = ImageSpec(
-#    name="basic-example",  # rename this to your docker image name
-#    # the base image that flytekit will use to build your image
-#    base_image="ghcr.io/flyteorg/flytekit:py3.11-1.10.2",
-#    packages=["flytekit>=1.6.0"],  # packages to add to the base image
-#    registry="ghcr.io/unionai-oss", # registry your image will be pushed to
-#    # the python version; optional if not different from the base image
-#    python_version="3.11"
+#    name="flytekit",  # default docker image name.
+#    base_image="ghcr.io/flyteorg/flytekit:py3.11-1.10.2",  # the base image that flytekit will use to build your image.
+#    packages=["pandas"],  # python packages to install.
+#    registry="ghcr.io/unionai-oss", # the registry your image will be pushed to.
+#    python_version="3.11"  # Optional if python is installed in the base image.
 # )