Improve highlighting structure

- switched to a sparse delta based map
- true lazy-loading to avoid any unneccessary allocations
- fixed windows management api

include/editor/editor.h

@@ -2,6 +2,7 @@
 #define EDITOR_H
 
 #include "editor/indents.h"
+#include "extentions/hover.h"
 #include "io/knot.h"
 #include "io/sysio.h"
 #include "syntax/extras.h"
@@ -37,7 +38,7 @@ struct Editor : Window {
   VAI ai = {};
   std::shared_mutex lsp_mtx;
   std::atomic<struct LSPInstance *> lsp = nullptr;
-  bool hover_active = false;
+  HoverBox *hover_popup = init_hover();
   bool diagnostics_active = false;
   std::atomic<int> lsp_version = 1;
   IndentationEngine indents = {};