feat: start recode backend to golang

backend/docs/docs.go

@@ -0,0 +1,36 @@
+// Package docs Code generated by swaggo/swag. DO NOT EDIT
+package docs
+
+import "github.com/swaggo/swag"
+
+const docTemplate = `{
+    "schemes": {{ marshal .Schemes }},
+    "swagger": "2.0",
+    "info": {
+        "description": "{{escape .Description}}",
+        "title": "{{.Title}}",
+        "contact": {},
+        "version": "{{.Version}}"
+    },
+    "host": "{{.Host}}",
+    "basePath": "{{.BasePath}}",
+    "paths": {}
+}`
+
+// SwaggerInfo holds exported Swagger Info so clients can modify it
+var SwaggerInfo = &swag.Spec{
+	Version:          "",
+	Host:             "",
+	BasePath:         "",
+	Schemes:          []string{},
+	Title:            "",
+	Description:      "",
+	InfoInstanceName: "swagger",
+	SwaggerTemplate:  docTemplate,
+	LeftDelim:        "{{",
+	RightDelim:       "}}",
+}
+
+func init() {
+	swag.Register(SwaggerInfo.InstanceName(), SwaggerInfo)
+}