Update 'Superset minimal setup'

Superset-minimal-setup.md

@@ -0,0 +1,22 @@
+# How to create a minimal Superset setup
+
+Crate a configuration file
+
+```
+MAPBOX_API_KEY = 'pk.eyJ1IjoidGhhbmh0YyIsImEiOiJjangxZmN6bWwwOTc4M3lxcHRsYW1tOW81In0.G-nEJxDpJlm3yoja2WZsxw'
+SECRET_KEY = "RANDOM_STRING"
+```
+
+```
+python3.8 -m venv env-superset
+source env-superset/bin/activate
+python -m pip install --upgrade pip setuptools wheel psycopg2-binary gunicorn
+python -m pip install flask==2.0.3 werkzeug==2.0.3 jinja2==3.0.1 "wtforms<3.0" apache-superset==2.0.0 pillow
+FLASK_APP=superset superset db upgrade
+export FLASK_APP=superset
+export PYTHONPATH=.
+superset fab create-admin
+superset init
+PYTHONPATH=. gunicorn -b 0.0.0.0:8088 "superset.app:create_app()"
+```
+