Finish the rest of milventory

[willzoo]

TODO:
Have History page of Items Deleted and Edited and Added - Undo Action here
Function to add stuff thats not in a box (scattered around room or still being processed)
Table filtering and column selection (then button on each location's mini table to filter master table to that location)
Fix each cabinet mini table to not have a max length

[willzoo]

Update: am almost done, all my changes are on the dev branch

[willzoo]

Update - reorganized directory structures and am still waiting on PR to be approved

[willzoo]

Update - still waiting on pull request to be approved

[willzoo]

Update still waiting on merge

[willzoo]

Update - added sign up feature, still waiting for merge