Function shim_main

pub fn shim_main<I>(name: &str, version: Version, config: Option<Config>)
where
    I: 'static + Instance + Sync + Send,

Main entry point for the shim.

If the opentelemetry feature is enabled, this function will start the shim with OpenTelemetry tracing.

It parses OTLP configuration from the environment and initializes the OpenTelemetry SDK.