Added the AssemblyEditor class

src/app/editor/assembly_editor.h

@@ -0,0 +1,34 @@
+#ifndef YAZE_APP_EDITOR_ASSEMBLY_EDITOR_H
+#define YAZE_APP_EDITOR_ASSEMBLY_EDITOR_H
+
+#include <ImGuiColorTextEdit/TextEditor.h>
+#include <ImGuiFileDialog/ImGuiFileDialog.h>
+
+#include <fstream>
+#include <istream>
+#include <string>
+
+namespace yaze {
+namespace app {
+namespace editor {
+
+class AssemblyEditor {
+ public:
+  AssemblyEditor() = default;
+
+  void Update();
+  void ChangeActiveFile(const std::string &);
+
+ private:
+  void SetEditorText();
+
+  std::string current_file_;
+  bool file_is_loaded_ = false;
+  TextEditor text_editor_;
+};
+
+}  // namespace editor
+}  // namespace app
+}  // namespace yaze
+
+#endif