add golint check and fix all golints

logs/logger.go

@@ -139,6 +139,11 @@ var (
 	reset = string([]byte{27, 91, 48, 109})
 )
 
+// ColorByStatus return color by http code
+// 2xx return Green
+// 3xx return White
+// 4xx return Yellow
+// 5xx return Red
 func ColorByStatus(cond bool, code int) string {
 	switch {
 	case code >= 200 && code < 300:
@@ -152,6 +157,14 @@ func ColorByStatus(cond bool, code int) string {
 	}
 }
 
+// ColorByMethod return color by http code
+// GET return Blue
+// POST return Cyan
+// PUT return Yellow
+// DELETE return Red
+// PATCH return Green
+// HEAD return Magenta
+// OPTIONS return WHITE
 func ColorByMethod(cond bool, method string) string {
 	switch method {
 	case "GET":
@@ -173,10 +186,10 @@ func ColorByMethod(cond bool, method string) string {
 	}
 }
 
-// Guard Mutex to guarantee atomicity of W32Debug(string) function
+// Guard Mutex to guarantee atomic of W32Debug(string) function
 var mu sync.Mutex
 
-// Helper method to output colored logs in Windows terminals
+// W32Debug Helper method to output colored logs in Windows terminals
 func W32Debug(msg string) {
 	mu.Lock()
 	defer mu.Unlock()