[BUG]: Configuration settings do not get automatically reloaded when proxy is running #247

Description

When making changes to the appsettings.json file or loaded configuration file whilst the proxy is running, the changes do not take effect until the proxy is stopped and restarted.

Expected behaviour

Proxy reloads the configuration automatically on save.

Actual behaviour

Changes are not loaded automatically.

Steps to reproduce

1. Start proxy, with or without specific configuration file
2. Make a change to the configuration file e.g. change failure rate to 100 or 0,

Environment

OS: Windows 11
Shell: PowerShell
MGDP: 0.6.0