volkamerlab/TeachOpenCADD: Add conda environment file (yml) and update existing talktorials

NEW

• Conda yml file is provided to ensure an easy and quick setup of an environment containing all required packages

IMPROVEMENTS

• Use new RDKit function to generate fingerprints (http://rdkit.org/docs/source/rdkit.Chem.rdFingerprintGenerator.html)
• T4: scatter plots added, comparing similarity values based on different fingerprints (Morgan/MACCS) and different similarity measures (Tanimoto/Dice)
• Add and clearify explanatory text

FIXES

• Typos fixed
• Style/formatting inconsistencies removed