Updated Route to update Venue, DJ, Artist
Create Relationship between Video and User

-Created Video Model
-User: created Video function with hasMany relationship
- Video: created User function that belongsTo User
Pass existing Videos data of Venues to view

Modified how data variables are passed to views
Dynamic Content for Edit Venue

- Fill inputs with existing content related to that Venue
- Dynamically add another video and remove with limit of 3
- Show all videos that currently exist for this Venue