支持全局函数补全

lsp-server/src/provider/cancel_request/cancel_request.cpp

@@ -1,6 +1,6 @@
 #include "./cancel_request.hpp"
 
-namespace lsp::providers
+namespace lsp::provider
 {
     std::string CancelRequest::GetMethod() const
     {

lsp-server/src/provider/cancel_request/cancel_request.hpp

@@ -1,9 +1,9 @@
 #pragma once
 #include <spdlog/spdlog.h>
-#include "../base/provider_interface.hpp"
+#include "../base/interface.hpp"
 #include "../../protocol/transform/facade.hpp"
 
-namespace lsp::providers
+namespace lsp::provider
 {
     class CancelRequest : public INotificationProvider
     {