Create a logging infrastructure in EToken API project

[nilanjansen]

Objective

• [x] Add dependencies for Serilog
• [x] Configure Serilog Minimum Level, WriteTo, Properties
• [x] Choose a Serilog Sink

[nilanjansen]

Checked in Logging Infrastructure using Serilog Dependencies:

• Serilog.AspNetCore

• Serilog.Settings.Configuration

• Serilog.Sinks.RollingFile

• [x] Added Seriolog Minimum Level, WriteTo, Properties in appSettings.json

• [x] Initialized it in Startup ctor

• [x] Added the Serilog to the HTTP request pipeline in Configure Method Commit Id: 6c97be83