Add question answering thumbnail

[SeanNaren]

Adds a thumbnail to the question answering task!

[codecov]

Codecov Report

Merging #810 (20b14ae) into master (f17e620) will decrease coverage by 25.81%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           master     #810       +/-   ##
===========================================
- Coverage   88.90%   63.09%   -25.82%     
===========================================
  Files         217      217               
  Lines       11623    11623               
===========================================
- Hits        10334     7334     -3000     
- Misses       1289     4289     +3000     

Flag	Coverage Δ
unittests	63.09% <ø> (-25.82%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
flash/core/integrations/icevision/transforms.py	13.33% <0.00%> (-80.84%)	⬇️
flash/core/serve/dag/visualize.py	19.04% <0.00%> (-76.20%)	⬇️
flash/core/serve/component.py	21.69% <0.00%> (-72.65%)	⬇️
...ash/pointcloud/segmentation/open3d_ml/backbones.py	20.83% <0.00%> (-70.84%)	⬇️
...lash/image/embedding/vissl/transforms/multicrop.py	27.27% <0.00%> (-69.70%)	⬇️
...lash/image/embedding/vissl/transforms/utilities.py	14.63% <0.00%> (-68.30%)	⬇️
...ash/pointcloud/detection/open3d_ml/data_sources.py	23.93% <0.00%> (-66.67%)	⬇️
flash/image/detection/serialization.py	28.57% <0.00%> (-65.31%)	⬇️
flash/image/embedding/heads/vissl_heads.py	36.36% <0.00%> (-63.64%)	⬇️
...tcloud/segmentation/open3d_ml/sequences_dataset.py	20.18% <0.00%> (-63.31%)	⬇️
... and 112 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update f17e620...20b14ae. Read the comment docs.