This commit aims to simplify the use of Plotify by reducing redundant…

[deniderveni]

… user input, and updating to more modern js practices

The user will now only ever have to:

• Modify config.js to add individual parameter arrays, the parameter list, and the number of columns
• Modify the header message in index.html

Modify mutliple scripts for small changes has been made redundant, and also entirely removes the need for Plotify.js Any parameter-based functionality is added in config.js directly, having also reduced the amount of new custom functions required

In addition, some QoL improvements have been made to the webpage:

• The parameter bar takes up a percentage amount of horizontal space, aiming to maximise space for figures
• The parameter selection now works with a drop-down menu, making it much easier to see what users are selecting