Investigate network connections for external api calls

[lsampras]

Get more insights for network connections created to external clients/services.

We currently use reqwest to make api calls and a major chunk of API call is spent over api calls to other services or payment connectors... We need to get more insights into this part of the code for exploring any performance optimization benefits

related to:

• #413

Some of the metrics to be calculated:

• Number of TCP Connections
• Any performance effects (in request latency, CPU usage or RPS, Other system resource usage)