Change link on Dynamic classification (Typology)

[polly64]

@mdsimpson42

• Keep text and add New link on hint : https://github.com/colouring-cities/manual/wiki/X08.-London-prototype:-Dynamics-data-capture-and-urban-morphology#14-building-typologies-and-dynamic-classifications

• Also change dynamic classification dropdown option ' repetitive, small domestic plots' to small, often repetitive plots, mainly residential'

• Remove 'other' option from colour key and drop down

• Change colours on key to bright orange (small plots) , bright red (linear plots), turquoise (for large plots)