feat: v2 (#599)

Read https://github.com/filebrowser/filebrowser/pull/575.

errors/errors.go

@@ -0,0 +1,17 @@
+package errors
+
+import "errors"
+
+var (
+	ErrEmptyKey          = errors.New("empty key")
+	ErrExist             = errors.New("the resource already exists")
+	ErrNotExist          = errors.New("the resource does not exist")
+	ErrEmptyPassword     = errors.New("password is empty")
+	ErrEmptyUsername     = errors.New("username is empty")
+	ErrEmptyRequest      = errors.New("empty request")
+	ErrScopeIsRelative   = errors.New("scope is a relative path")
+	ErrInvalidDataType   = errors.New("invalid data type")
+	ErrIsDirectory       = errors.New("file is directory")
+	ErrInvalidOption     = errors.New("invalid option")
+	ErrInvalidAuthMethod = errors.New("invalid auth method")
+)