add more categories, inspired from Rachel Yang’s sketchfest
fix ‘closet’ navigation button, add placeholder image
delete placeholder feelings view. get ready to add collection view
remove unnecessary UI elements, small changes
add feelings collection view
add custom collection cell for feelings, wire up collection view
add accessory files back
rasterize image of cell and make it snap into place
delete a feeling from collection view when moving it out
allow feelings to only be placed if the space is vacant and fix bugs in inserting cells back to collection view
bug fix: handle the case when touch down and touch up without moving cell away