Move repo homepage files into own directory
This is how a empty repo looks like:
➜ repo git:(master) ✗ ls
assets icons icons-120 icons-160 icons-240 icons-320 icons-480 icons-640 index.html qr_code.html qrcode.png
➜ repo git:(master) ✗ ls assets
facebook.png f-droid.png material.min.js page.css roboto-fonts twitter.png
This is how a repo with two apps looks like:
➜ repo git:(master) ✗ ls
assets de.grobox.liberario_48.apk icons icons-160 icons-320 icons-640 index.jar index-v1.json qr_code.html
categories.txt de.nico.ha_manager_26.apk icons-120 icons-240 icons-480 index.html index-v1.jar index.xml qrcode.png