Add photos without GPS data to the places view

[pktiuk]

Is your feature request related to a problem? Please describe.

I am trying to organize my photos collection, and one of the thing I do is adding places to photos without location.

Describe the solution you'd like

I would like to have any way of seeing photos without any geographical tags. The easiest solution to implement seems to be adding Place called Unknown to the places view instance.com/apps/memories/places

Describe alternatives you've considered

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Additional context

This issue in the long run may be connected with: #868

[pktiuk]

Thank you for implementing.