Add install instructions and dashboard

Author: tupui

README.md

@@ -22,7 +22,34 @@ SimDec reveals the nature of causalities and interaction effects in the model.
 See our [publications](https://www.simdec.fi/publications) and join our
 [discord community](https://discord.gg/54SFcNsZS4).
 
-...
+## Python API
+The library is distributed on PyPi and can be installed with:
+
+    pip install simdec
+
+To install the development version, download the source and from the root of
+the repository:
+
+    pip install -e .[dev]
+
+## Dashboard
+A live dashboard is available at:
+
+https://simdec.io
+
+### Local use
+
+The dashboard can be run locally using:
+
+    make serve
+
+### Deployment
+
+The live version of the dashboard is hosted on GCP. To deploy a new version:
+
+    PANEL_TOKEN=... make production
+
+###
 
 ## Citations