set up submit modal and submit snapshot page

[heejung-hong]

Fixes #1655

What changes did you make?

• Created the Submit Snapshot page and Submit Snapshot modal.

Why did you make the changes (we will use this info to test)?

• New page is needed for reviewing which Snapshots are ready to sent to the City and which Snapshots were sent.

Issue-Specific User Account

The [email protected] account was used for testing.

Screenshots of Proposed Changes Of The Website (if any, please do not screen shot code changes)

Visuals after changes are applied