Hide upload slots and AI continuation UI

Add IndexedDB preset caching with background prefetch

add demo preset system with sample track

the ai generate button should be always present

fixed the playback bug

increasing the speed of uploading to the server

deleted the server and client side decoding so the play back is ready instantly after loading the stems

added the looping function and changing the key and bpm of portion of the song

fixed the upload size error message

adding post processing and increasing the number of co-current processes

Remove node_modules and build files from git tracking

updated the MVP-Initial upload

fixed the tempo ranges for tempo detection

added a dropdown menu for changing the detected key as for some drum loops and bass music the detected key may not be accurate

enhanced the key detection mainly for bass and drums heavy tracks

docker deployment

initial upload

initial commit