Add config entry for IQVIA

[bachya]

Description:

This PR adds a config entry for IQVIA.

Related issue (if applicable): N/A

Pull request with documentation for home-assistant.io (if applicable): N/A

Example entry for configuration.yaml (if applicable):

iqvia:
  zip_code: "12345"

Checklist:

• The code change is tested and works locally.
• Local tests pass with tox. Your PR cannot be merged unless tests pass
• There is no commented out code in this PR.
• I have followed the development checklist

If the code communicates with devices, web services, or third-party tools:

• The manifest file has all fields filled out correctly. Update and include derived files by running python3 -m script.hassfest.
• New or updated dependencies have been added to requirements_all.txt by running python3 -m script.gen_requirements_all.

If the code does not interact with devices:

• Tests have been added to verify that the new code works.

[balloob]

Niiiiice ! 🐬