Stage new submodule locations

submodules/ModernZ/docs/INTERACTIVE_MENUS.md

@@ -0,0 +1,38 @@
+## Interactive Menus
+ModernZ integrates mpv's [console.lua](https://github.com/mpv-player/mpv/blob/master/player/lua/console.lua) and [select.lua](https://github.com/mpv-player/mpv/blob/master/player/lua/select.lua), which have been built in mpv starting v0.39+. Can be used in:
+- Playlist button
+- Subtitles button
+- Audio track button
+- Chapter title (chapters list)
+- Volume control button (audio device selector) [right mouse button]
+
+For details on how to interact with these buttons, view the [controls manual](/docs/CONTROLS.md).
+
+https://github.com/user-attachments/assets/a7330f29-c26d-4f5a-8797-d20f97211fdc
+
+## Notes
+> [!IMPORTANT]
+> If the menus are not functioning as shown in the video, it is most likely because you're using an outdated version of mpv
+
+- Check [mpv installation sources](https://mpv.io/installation/) on the official website for up-to-date packages
+- Use [mpv-build](https://github.com/mpv-player/mpv-build) to get the latest release
+- Use a simplified alternative function as shown below until you're able to update mpv
+
+#### Alternative function: (for outdated mpv)
+You can add the following to `modernz.conf` in your `script-opts` folder to at least get some functionality until you update mpv
+
+```EditorConfig
+title_mbtn_left_command=show-text ${filename}
+playlist_mbtn_left_command=show-text ${playlist} 3000
+audio_track_mbtn_left_command=cycle audio
+sub_track_mbtn_left_command=cycle sub
+chapter_title_mbtn_left_command=show-text ${chapter-list} 3000
+```
+
+> [!TIP]
+> If the font size for the interactive playlist is too small, you can add the following in your `mpv.conf`
+>
+> ```ini
+> # change font size for console and select
+> script-opts-append=console-font_size=25
+> ```