Inline docs: Update nginx rewrite rules to match .htaccess
Inline docs: Update nginx rewrite rules to match .htaccess

nginx's rewrite rules don't have to match `picocms/Pico`'s `.htaccess`, but `picocms/pico-composer`'s `.htaccess` - because basically all installations of Pico 2.0 and later use `picocms/pico-composer`'s frame.

TakamiChie/Pico,TakamiChie/Pico,TakamiChie/Pico,picocms/Pico,TakamiChie/Pico,PhrozenByte/Pico,PhrozenByte/Pico,PhrozenByte/Pico,picocms/Pico,picocms/Pico