TUN-3725: Warp-routing is independent of ingress

- Changed warp-routing configuration to its own yaml.
    - Ingress Rules host matching is indepedent of warp-routing.

cmd/cloudflared/config/configuration.go

@@ -226,10 +226,15 @@ type OriginRequestConfig struct {
 type Configuration struct {
 	TunnelID      string `yaml:"tunnel"`
 	Ingress       []UnvalidatedIngressRule
+	WarpRouting   WarpRoutingConfig   `yaml:"warp-routing"`
 	OriginRequest OriginRequestConfig `yaml:"originRequest"`
 	sourceFile    string
 }
 
+type WarpRoutingConfig struct {
+	Enabled bool `yaml:"enabled"`
+}
+
 type configFileSettings struct {
 	Configuration `yaml:",inline"`
 	// older settings will be aggregated into the generic map, should be read via cli.Context