Update client UI for network functions
- Add text box for IP
- Add connect button w/ driver method which calls (unimplemented) connect method in SpreadsheetController
- Add dropdown for spreadsheets to connect to, which should fire a driver method on select which calls another (unimplemented) method in SpreadsheetController
- Add a view method which populates that dropdown^ based on a list of spreadsheet names (provided in an arg to the method)
- Figure out how to show which cells are selected by other clients
Update client UI for network functions