change featured collections on index.liquid
change featured collections on index.liquid

- update comments to show five collections instead of three (old ref)
- offset index operator > in case 6 collections before 'frontpage collection'
- move index counter inside unless 'frontpage collection' to work with offset
aboutjax/benny,swapkats/Materify,cimocimocimo/Theia-Shopify-Theme,CodeKiwi/dirt,aboutjax/benny,mwcmitchell/Kauai,swapkats/Materify,Shine18/Timber,Klaudit/Timber,eugenelardy/shopifytheme,triskybro/Timber,kipjib/Timber,mwcm/Kauai,zacwasielewski/Timber,mwcm/Kauai,iamdeaneyelid/timber-grunt,mwcmitchell/Kauai,zacwasielewski/Timber,alexclarkofficial/newbury-theme,Shopify/Timber,CodeKiwi/dirt,Shopify/Timber,aboutjax/benny,tikn/Timber,Shine18/Timber,triskybro/Timber,VirtoCommerce/Timber,Klaudit/Timber,kipjib/Timber,CodeKiwi/dirt,gridmechanic/Timber,gridmechanic/Timber,iamdeaneyelid/timber-grunt,graygilmore/timber-grunt,humancopy/Timber,wad3inthewater/timber-theme,graygilmore/timber-grunt,eugenelardy/shopifytheme,vovaane/timber,alexclarkofficial/newbury-theme,iamdeaneyelid/timber-grunt,CodeKiwi/dirt,humancopy/Timber,cimocimocimo/Theia-Shopify-Theme,mwcmitchell/Kauai,montalvomiguelo/Timber,tikn/Timber,montalvomiguelo/Timber,wad3inthewater/timber-theme,vovaane/timber,CodeKiwi/dirt,mwcm/Kauai