FIX: Add infrastructure for python tests (#91)

Also integrated with CI and runs tests in documentation

bindings/python/docs/examples/simple.py

@@ -0,0 +1,8 @@
+import ironcalc as ic
+
+model = ic.create("model", "en", "UTC")
+
+model.set_user_input(0, 1, 1, "=21*2")
+model.evaluate()
+
+assert model.get_formatted_cell_value(0, 1, 1), 42

bindings/python/docs/index.rst

@@ -1,7 +1,13 @@
-Welcome to ProjectName's documentation!
-======================================
+IronCalc: The democratization of spreadsheets
+=============================================
 
 .. toctree::
    :maxdepth: 2
    :caption: Contents:
 
+IronCalc is a spreadsheet engine that allows you to create, modify and safe spreadsheets.
+
+A simple example that creates a model, sets a formula, evaluates it and gets the result back:
+
+.. literalinclude:: examples/simple.py
+   :language: python