Add flask and swagger documentations

docker-compose.yml

flask/Dockerfile

flask/__init__.py

flask/app.py

flask/doc/swagger-ui/index.html

flask/doc/swagger-ui/oauth2-redirect.html

flask/queries/__init__.py

flask/queries/fuzzy.py

flask/requirements.txt

flask/static/swagger/favicon-16x16.png

flask/static/swagger/favicon-32x32.png

flask/static/swagger/swagger-ui-bundle.js

flask/static/swagger/swagger-ui-bundle.js.map

flask/static/swagger/swagger-ui-standalone-preset.js

flask/static/swagger/swagger-ui-standalone-preset.js.map

flask/static/swagger/swagger-ui.css

flask/static/swagger/swagger-ui.css.map

flask/static/swagger/swagger-ui.js

flask/static/swagger/swagger-ui.js.map

flask/static/swagger/swagger_documentation.yaml