restructured the project to comply community guideline, for others check release note

internal/proxy/fields/stop_method.go

@@ -0,0 +1,23 @@
+package fields
+
+import (
+	E "github.com/yusing/go-proxy/internal/error"
+)
+
+type StopMethod string
+
+const (
+	StopMethodPause StopMethod = "pause"
+	StopMethodStop  StopMethod = "stop"
+	StopMethodKill  StopMethod = "kill"
+)
+
+func ValidateStopMethod(s string) (StopMethod, E.NestedError) {
+	sm := StopMethod(s)
+	switch sm {
+	case StopMethodPause, StopMethodStop, StopMethodKill:
+		return sm, nil
+	default:
+		return "", E.Invalid("stop_method", sm)
+	}
+}