Finalise ODD protocol

To finalise the ODD, the following tasks must be completed:

• Add pseudo code listing for "basic principles" part of "design concepts" section illustrating the use of model state transitions (i.e. probability rate and stoachstic rounding to determine a number of individuals to subtract from one and add to another).
• Update "stochasticity" part of "design concepts" section. Remove unneccessary technical explanations.
• Explain technical terms EURO-CORDEX, bias-adjusted, homogenised in "input data" part of "Details" section.
• Mention conversion from Kelvin to Celsius in "input data" part of "Details" section.
• Add info about ECS design to section "Basic principles"
• Add missing references
• Improve table formatting
• Add titlepage
• Check the whole text for spelling and improvements of readability.
• Improve overall apperance