refactor: Update Emulator Command-Line Flags and CMake Configuration

- Renamed command-line flags for improved clarity and consistency, enhancing usability for ROM loading, GUI options, and state management.
- Adjusted default maximum frames for emulator execution to 180, optimizing performance settings.
- Refactored CMake configuration to reflect changes in source file structure, ensuring proper build setup for the emulator application.

src/CMakeLists.txt

@@ -339,7 +339,7 @@ if(YAZE_BUILD_EMU)
     add_executable(
       yaze_emu
       MACOSX_BUNDLE
-      app/main.cc
+      app/emu/emu.cc
       app/rom.cc
       app/core/platform/app_delegate.mm
       ${YAZE_APP_EMU_SRC}