fix new target page endpoint #124

[beesaferoot]

Brief summary of the change made

Created a missing endpoint needed to get the count of connection types /api/meters/parameters/connection-types

now /api/meters/connection-types

Closes #124

Are there any other side effects of this change that we should be aware of?

Describe how you tested your changes?

Steps to test:

• Login to the dashboard
• Navigate to Target section
• Confirm no server error on the page using the browser network tab

Pull Request checklist

Please confirm you have completed any of the necessary steps below.

• Meaningful Pull Request title and description
• Changes tested as described above
• Added appropriate documentation for the change.
• Created GitHub issues for any relevant followup/future enhancements if appropriate.

[munyanezaarmel]

@beesaferoot, if possible, could you add a simple description of how you tested your changes and how we can test them to ensure we are on the same page?

[beesaferoot]

@munyanezaarmel Added few steps to test. Thanks

[munyanezaarmel]

@beesaferoot I don't see errors. resolve conflicts

[beesaferoot]

Ready for review @munyanezaarmel