ScalingSize parameter in techno data needs clarification

[ahawkes]

Describe the bug

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ScalingSize parameter needs to be explained better. In 9.3.3. Techno-data.

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Expected behavior

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I assume this is the unit capacity size at which capital costs are estimated using cap_par and cap_exp. Exactly what it is and how it works needs to be explained in the documentation.

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Context

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• Operative system (eg. Windows 10):
• MUSE version (eg. 1.0.1):
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• Python version (you can get this running python --version):