Initial QSfera import

Server/vendor/github.com/gookit/goutil/jsonutil/jsonbuild.go

@@ -0,0 +1,21 @@
+package jsonutil
+
+/*
+TODO json build
+type JsonBuilder struct {
+	Indent string
+	// mu  sync.Mutex
+	// cfg *CConfig
+	buf bytes.Buffer
+	out io.Writer
+}
+
+// AddField add field to json
+func (b *JsonBuilder) AddField(key string, value any) *JsonBuilder {
+	b.buf.WriteString(`,"`)
+	b.buf.WriteString(key)
+	b.buf.WriteString(`":`)
+	b.encode(value)
+	return b
+}
+*/