[Feature] Add Sketchfab as an External Source

[dullbenz]

Problem

This is a sub-issue steming out from Issue: [Feature] Additional source suggestions #48
The goal is to add a good number of external sources to give users a variety of results from diverse legal sources.

Description

From the additional sources list of Openverse available in the file get-additional-sources.ts mentioned in #48, I picked out Sketchfab among the sources listed. Sketchfab offers both free and paid 3D model designs for its users to choose from and has a wide variety of options.

Screenshot from Sketchfab Website

Implementation

• I would be interested in implementing this feature.

[PreciousOritsedere]

Hello @possumbilities can you please assign this issue to me? I want to start working on it now😊

[ImaJin14]

Hello @possumbilities can you please assign this issue to me? I want to start working on it now😊

@dullbenz indicated he'll love to work on it while opening this issue:)