misc minor improvements

remove preliminary simulation scripts

add "do not cite" disclaimers

Update antireflective-coating methodology and results

map widget: reduce map tile resolution from 512 to 256 for rendering speed

map widget: change layer opacity from 0.7 to 0.8, disable scroll wheel zoom

add more racking configuration simulations

add antireflective-coating and racking-configuration simulation scripts

misc content tweaks

initial content for antireflective-coating chapter

improve content of racking-configuration chapter

initial racking-configuration content

reorder index

rename chapters for consistency

add directive for GH model script links