Switch to OOP style code

src/editor/commands.cc

@@ -0,0 +1,13 @@
+#include "editor/editor.h"
+#include "main.h"
+
+void Editor::handle_command(std::string &command) {
+  if (command == "w") {
+    this->save();
+  }
+  if (command == "wq") {
+    this->save();
+    command = "q";
+    ui::bar.handle_command(command);
+  }
+}