Function runtimeFirewallRules

runtimeFirewallRules(config: GuardConfig, napplet: string): RuntimeFirewallRules
Translate the guard profile's per-class rates for one applet into the runtime firewall's (napplet, opClass) rate limits.
Parameters
- config: GuardConfig
  Current guard configuration.
- napplet: string
  Applet identity (dTag).
Returns RuntimeFirewallRules
Runtime rate rules and the global fallback rate.
Example
```
runtimeFirewallRules(createGuardConfig('strict'), 'chat').rates.find((r) => r.opClass === 'relay:write');
```