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

internal/proxy/fields/path_mode.go

@@ -0,0 +1,24 @@
+package fields
+
+import (
+	E "github.com/yusing/go-proxy/internal/error"
+)
+
+type PathMode string
+
+func NewPathMode(pm string) (PathMode, E.NestedError) {
+	switch pm {
+	case "", "forward":
+		return PathMode(pm), nil
+	default:
+		return "", E.Invalid("path mode", pm)
+	}
+}
+
+func (p PathMode) IsRemove() bool {
+	return p == ""
+}
+
+func (p PathMode) IsForward() bool {
+	return p == "forward"
+}