added gitkeep to the storage folders, and edited the gitignore to be more precise for our use case

.gitignore

@@ -963,9 +963,23 @@ app.*.symbols
 !/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages
 !/dev/ci/**/Gemfile.lock
 
-#Storage files
-storage/
+# Storage files
+storage/documents/*
+storage/transcriptionSummaries/*
+storage/transcripts/*
+storage/video/*
+# The inverse for the .gitkeep files, to make sure the folders are there but not the local files
+!storage/documents/.gitkeep
+!storage/transcriptionSummaries/.gitkeep
+!storage/transcripts/.gitkeep
+!storage/video/.gitkeep
 
 *.mp4
+*.webm
+*.mp3
+*.mov
 *.wav
 *.flac
+
+
+!testvideo.mp4