Reorganize directory structures

Signed-off-by: Sean Du <do4suki@gmail.com>

internal/model/api.go

@@ -0,0 +1,25 @@
+package model
+
+import "encoding/json"
+
+// ApiReq ...
+type ApiReq struct {
+	Module    string `json:"module"`
+	Action    string `json:"action"`
+	Timestamp int64  `json:"timeStamp"`
+}
+
+// ApiResp ...
+type ApiResp struct {
+	ResponseData json.RawMessage `json:"response_data"`
+	ReleaseInfo  []any           `json:"release_info"`
+	StatusCode   int             `json:"status_code"`
+}
+
+// ApiUserInfoResp ...
+type ApiUserInfoResp struct {
+	Result     UserInfo `json:"result"`
+	Status     int      `json:"status"`
+	CommandNum bool     `json:"commandNum"`
+	TimeStamp  int64    `json:"timeStamp"`
+}