[WIP] Wire up mephisto-task and bootstrap-chat to yarn workspaces

[pringshia]

Update: The functionality here has been absorbed into #655, will close this soon in favor of another PR that just focuses on the following:

• add a test (added Dockerfile-frontend)
• update docs

[codecov-commenter]

Codecov Report

Merging #659 (18471d1) into main (bf0517e) will decrease coverage by 0.03%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #659      +/-   ##
==========================================
- Coverage   63.14%   63.11%   -0.04%     
==========================================
  Files          86       86              
  Lines        8295     8295              
==========================================
- Hits         5238     5235       -3     
- Misses       3057     3060       +3     

Impacted Files	Coverage Δ
...tractions/architects/channels/websocket_channel.py	79.06% <0.00%> (-3.49%)	⬇️

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