Migrate backend auth to cookies

server/cmd/server/main.go

@@ -13,6 +13,9 @@ import (
 // @license.name Apache 2.0
 // @license.url http://www.apache.org/licenses/LICENSE-2.0.html
 // @BasePath /api/v1
+// @SecurityDefinitions.ApiKey CookieAuth
+// @In cookie
+// @Name access_token
 func main() {
 	// Load configuration
 	cfg, err := app.LoadConfig()