feat(demo): do not log search

Merge pull request #162 from borisdayma/demo-improvements

Style: run isort.

Style: run black.

Display info about model and run, below predictions.

Update year: 2021-2022

Log dates

Move client api to backend.py

feat(demo): high load

feat: fix import error

style: use isort

style: reformat per black

feat: reorganize app