Switch cli based architecture

[turkenf]

Description of your changes

In this PR:

• Switched cli-based architecture
• Changed group names
• Fixed example manifests and added comments

I have:

• Read and followed Crossplane's contribution process.
• Run make reviewable test to ensure this PR is ready for review.

How has this code been tested

Manually tested with make run and index.docker.io/turkenf/provider-azapi:v0.0.0-6.g72fe70e

NAME                                              SYNCED   READY   EXTERNAL-NAME
                                      AGE
resourceaction.resources.azapi.upbound.io/start   True     True    /subscriptions/038f2b7c-3265-43b8-8624-c9ad5da610a8/resourceGroups/rg-for-azapi/providers/Microsoft.App
Platform/Spring/example-spring/stop   10m

NAME                                          SYNCED   READY   EXTERNAL-NAME
                                            AGE
resource.resources.azapi.upbound.io/example   True     True    /subscriptions/038f2b7c-3265-43b8-8624-c9ad5da610a8/resourceGroups/rg-for-azapi/providers/Microsoft.Contain
erRegistry/registries/registrytestupbound   31m

NAME                                                SYNCED   READY   EXTERNAL-NAME
                                  AGE
updateresource.resources.azapi.upbound.io/example   True     True    /subscriptions/038f2b7c-3265-43b8-8624-c9ad5da610a8/resourceGroups/rg-for-azapi/providers/Microsoft.N
etwork/loadBalancers/example-lb   21m