[FEATURE] Add data sources for listing resources

[lechnerc77]

What area do you want to see improved?

terraform provider

Is your feature request related to a problem? Please describe.

Currently only a read for one instance for a resource is available. However a list of available instances of a resource is not available as a data source.

Example: cloudfoundry_app is available as data source, but I cannot list all apps via cloudfoundry_apps

The corresponding API endpoints on CF side are available see e.g., https://v3-apidocs.cloudfoundry.org/version/3.179.0/index.html#apps

Describe the solution you would like

Add data sources should support the fetching of a list of resources not only one dedicated resource.

Describe alternatives you have considered

n/a

Additional context

n/a

[github-actions]

Thanks for the feature request. We evaluate it and update the issue accordingly.

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[lechnerc77]

Here a list of data sources that should offer a list operation

Resource	Proposed Name of Data Source	Link to CF V3 API
Apps	cloudfoundry_apps	https://v3-apidocs.cloudfoundry.org/version/3.179.0/index.html#list-apps
Domain	cloudfoundry_domains	https://v3-apidocs.cloudfoundry.org/version/3.179.0/index.html#list-domains
Isolation Segment	cloudfoundry_isolation_segments	https://v3-apidocs.cloudfoundry.org/version/3.179.0/index.html#list-isolation-segments
Orgs	cloudfoundry_orgs	https://v3-apidocs.cloudfoundry.org/version/3.179.0/index.html#list-organizations
Org Quota	cloudfoundry_org_quotas	https://v3-apidocs.cloudfoundry.org/version/3.179.0/index.html#list-organization-quotas
Role	cloudfoundry_roles	https://v3-apidocs.cloudfoundry.org/version/3.179.0/index.html#list-roles
Routes	cloudfoundry_routes	https://v3-apidocs.cloudfoundry.org/version/3.179.0/index.html#list-routes
Security Group	cloudfoundry_security_groups	https://v3-apidocs.cloudfoundry.org/version/3.179.0/index.html#list-security-groups
Service	cloudfoundry_services	https://v3-apidocs.cloudfoundry.org/version/3.179.0/index.html#list-service-offerings
Service Credential Binding	cloudfoundry_service_credential_bindings	https://v3-apidocs.cloudfoundry.org/version/3.179.0/index.html#list-service-credential-bindings
Service Instance	cloudfoundry_service_instances	https://v3-apidocs.cloudfoundry.org/version/3.179.0/index.html#list-service-instances
Space	cloudfoundry_spaces	https://v3-apidocs.cloudfoundry.org/version/3.179.0/index.html#list-spaces
Space Quota	cloudfoundry_space_quotas	https://v3-apidocs.cloudfoundry.org/version/3.179.0/index.html#list-space-quotas
Space Stack	cloudfoundry_stacks	<https://v3-apidocs.cloudfoundry.org/version/3.179.0/index.html#list-stacks >

[lechnerc77]

For MTA see #25

[Dray56]

All data sources mentioned have been implemented