Move sdk structs to modules/structs (#6905)

* move sdk structs to moduels/structs

* fix tests

* fix fmt

* fix swagger

* fix vendor

modules/structs/miscellaneous.go

@@ -0,0 +1,46 @@
+// Copyright 2015 The Gogs Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package structs
+
+// SearchResults results of a successful search
+type SearchResults struct {
+	OK   bool          `json:"ok"`
+	Data []*Repository `json:"data"`
+}
+
+// SearchError error of a failed search
+type SearchError struct {
+	OK    bool   `json:"ok"`
+	Error string `json:"error"`
+}
+
+// MarkdownOption markdown options
+type MarkdownOption struct {
+	// Text markdown to render
+	//
+	// in: body
+	Text string
+	// Mode to render
+	//
+	// in: body
+	Mode string
+	// Context to render
+	//
+	// in: body
+	Context string
+	// Is it a wiki page ?
+	//
+	// in: body
+	Wiki bool
+}
+
+// MarkdownRender is a rendered markdown document
+// swagger:response MarkdownRender
+type MarkdownRender string
+
+// ServerVersion wraps the version of the server
+type ServerVersion struct {
+	Version string `json:"version"`
+}