Add core packages, configuration system, and initial application structure

pprof.go

@@ -0,0 +1,19 @@
+package main
+
+import (
+	"github.com/pkg/profile"
+)
+
+func startProfiler(mode string) {
+	switch mode {
+	case "cpu":
+		prof := profile.Start(profile.CPUProfile)
+		defer prof.Stop()
+	case "memory":
+		prof := profile.Start(profile.MemProfile)
+		defer prof.Stop()
+	case "allocation":
+		prof := profile.Start(profile.MemProfileAllocs)
+		defer prof.Stop()
+	}
+}