code structure improvements, logging, support for towns added

.gitignore

@@ -0,0 +1,3 @@
+c.out
+main
+**/*.log

cmd/common/common.go

@@ -6,6 +6,7 @@ type Coordinates struct {
 }
 
 const (
+	LogFile          = "pirate-wars.log"
 	WorldWidth       = 600
 	WorldHeight      = 600
 	TotalTowns       = 30
@@ -28,3 +29,47 @@ type ViewPort struct {
 	height  int
 	topLeft int
 }
+
+//func CreateNewLogger(filename string, prefix string) *log.Logger {
+//	f, err := os.OpenFile(filename, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0664)
+//	if err != nil {
+//		log.Fatalf("error opening file: %v", err)
+//	}
+//	defer f.Close()
+//
+//	logger := log.New(f, filename, log.LstdFlags)
+//	logger.SetPrefix(fmt.Sprintf("%v: ", prefix))
+//	logger.Println("TEST 1234")
+//	return logger
+//}
+
+//func CreateLogger(filename string, namespace string) func(string) {
+//	f, err := os.OpenFile(filename, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
+//	if err != nil {
+//		log.Fatal(err)
+//	}
+//	defer f.Close()
+//
+//	logger := log.New(f, namespace, log.LstdFlags)
+//	return func(msg string) {
+//		d := godump.Dumper{}
+//		logger.Println(d.Sprint(msg))
+//	}
+//}
+//
+//func InitLogger(name string) {
+//	CreateLogger(LogFile, name)
+//}
+
+//func Logger(name string) log {
+//	var logger *os.File
+//	if _, ok := os.LookupEnv("DEBUG"); ok {
+//		var err error
+//		logger, err = os.OpenFile(LogFile, os.O_CREATE|os.O_TRUNC|os.O_WRONLY, 0o644)
+//		if err != nil {
+//			os.Exit(1)
+//		}
+//	}
+//	spew.Fdump(m.dump, msg)
+//	return logger
+//}