split **/pkg/config/config.go up to multiple files

proxy/pkg/config/debug.go

@@ -0,0 +1,9 @@
+package config
+
+// Debug defines the available debug configuration.
+type Debug struct {
+	Addr   string `ocisConfig:"addr" env:"PROXY_DEBUG_ADDR"`
+	Token  string `ocisConfig:"token" env:"PROXY_DEBUG_TOKEN"`
+	Pprof  bool   `ocisConfig:"pprof" env:"PROXY_DEBUG_PPROF"`
+	Zpages bool   `ocisConfig:"zpages" env:"PROXY_DEBUG_ZPAGES"`
+}