[FR/BUG] Sosci new planned features / fixes

[jameshball]

• Add a microphone button that more clearly shows you when audio input is being used on standalone
• Audio is messed up when using virtual audio cable (blackhole) with 3 channels
• Add flip H and flip V option
• Add input gain controls
• Allow the size and position to be controlled
• Make a true fullscreen mode with no settings bar at the bottom
• Add more options for export such as custom resolutions, framerate, etc.
• 'stereo' effect (i.e. delay one channel by a certain number of samples) to turn mono to a stereo image too
• Add the ability to open multiple files
• Option to change audio file playback speed
• Fixed Spout-Output name. Or at least show the current address somewhere in Sosci and be able to copy it.
• Save plugin size to project file
• Save last opened directory globally
• Add option to pin popout visualiser always on top