Add application insights to AZD for Functions

[diberry]

Is your feature request related to a problem? Please describe. If the system end to end doesn't appear to work but there are no errors in the client, it is difficult to figure out what is going wrong on the backend because the logs aren't turned on for Azure Functions.

Describe the solution you'd like A clear and concise description of what you want to happen.

Describe alternatives you've considered A clear and concise description of any alternative solutions or features you've considered.

Additional context Add any other context or screenshots about the feature request here.