feat: Update appsettings with default datasources

[helayoty]

Pull Request

Issue Number: #329

Summary

Update appsettings.json.

Changes

• Update the default emission and electricity datasources.
• Update the AllowedHosts/Urls.

Checklist

• Local Tests Passing?
• CICD and Pipeline Tests Passing?
• Added any new Tests?
• Documentation Updates Made?
• Are there any API Changes? If yes, please describe below.
• This is not a breaking change. If it is, please describe it below.

Are there API Changes?

No.

If yes, what are the expected API Changes? Please link to an API-Comparison
workflow with the API Diff.

Is this a breaking change?

If yes, what workflow does this break?

Anything else?

Other comments, collaborators, etc.

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This PR Closes #329

[danuw]

hi @helayoty, sorry for delay in reviewing this. Would you be able to provide a bit more detail on what the issue this PR solves and any other details that can help move this forward please?

cc @Willmish