Initial bootrap of application

- Creates scaffold for router and server
- Main program set up for environment, OS signal listener
- Makefile generic commands

internal/http/health.go

@@ -0,0 +1,13 @@
+package http
+
+import "net/http"
+
+func (s *server) handleHealth(w http.ResponseWriter, r *http.Request) {
+	w.WriteHeader(http.StatusOK)
+	return
+}
+
+func (s *server) handleReadiness(w http.ResponseWriter, r *http.Request) {
+	w.WriteHeader(http.StatusOK)
+	return
+}