disclaimed that this will only work with AI-LAB 3.3.0 (#29)

* sales forecating demo added in examples adjusted file size

* fixed some notebook documentation

* fixed download link

* rectified documentation

* rectified documentation

* pyexasol docs added

* zip file extraction code changed

* removed SaaS references and added custom SLC language defination

* AI-LAB 3.3.0 disclaimer and correct code identation in setup

Author: BrownAbdullah

doc/examples/sales_forecasting/index.rst

@@ -8,6 +8,8 @@ Sales Forecasting
    setup.rst
 
 
+**Disclaimer: This demo can only work with AI-LAB 3.3.0 at the moment.**
+
 Overview
 ========
 
@@ -29,7 +31,7 @@ What You'll Need
 You’ll need to:
 
 * Set up `AI-Lab <https://github.com/exasol/ai-lab>`_ (We recommend the Docker version because it comes with the Docker database. Alternatively, you can use onPrem DB).
-* This version of the demo is not compatible with SaaS database.
+* **This version of the demo is not compatible with SaaS database.**
 * Download and import the notebooks zip file from :ref:`setup-sf`.
 
 What You'll Learn

doc/examples/sales_forecasting/setup.rst

@@ -43,7 +43,7 @@ Code to Unzip Files in JupyterLab
     # Open the zip file
     with zf.ZipFile("sales_forecasting.zip", 'r') as files:
     # Extract all contents directly to the current directory
-    files.extractall()
+        files.extractall()