Add subchapter on implementation details
Add subchapter on implementation details

BenMorel/dbal,drieschel/dbal,hason/dbal,adrienbrault/dbal,wuxu92/dbal,PowerKiKi/dbal,hason/dbal,mihai-stancu/doctrine-dbal,kimhemsoe/dbal,mihai-stancu/dbal,lafourchette/dbal,mihai-stancu/doctrine-dbal,janschoenherr/dbal,easybiblabs/dbal,mikeSimonson/dbal,kupishkis/dbal,lcobucci/dbal,DHager/dbal,Tobion/dbal,sarcher/dbal,tk-s/dbal,webonyx/dbal,cassvail/dbal,nfrignani/dbal,LionwareSolutions/dbal,tk-s/dbal,Ocramius/dbal,Tobion/dbal,sarcher/dbal,LionwareSolutions/dbal,shivergard/dbal,bspeterson/dbal,vutung2311/dbal,vortgo/dbal,webonyx/dbal,lcobucci/dbal,shivergard/dbal,janschoenherr/dbal,kupishkis/dbal,doctrine/dbal,drieschel/dbal,mbeccati/dbal,hason/dbal,arima-ryunosuke/dbal,AlexDpy/dbal,doctrine/dbal,bspeterson/dbal,v-bartusevicius/dbal,webonyx/dbal,DataSyntax/dbal,arima-ryunosuke/dbal,vutung2311/dbal,nfrignani/dbal,kimhemsoe/dbal,deeky666/dbal,arima-ryunosuke/dbal,zeroedin-bill/dbal,Ocramius/dbal,lafourchette/dbal,PowerKiKi/dbal,zeroedin-bill/dbal,AlexDpy/dbal,mariuz/dbal,v-bartusevicius/dbal,helicon-os/doctrine-dbal,stchr/dbal,mikeSimonson/dbal,easybiblabs/dbal,mariuz/dbal,easybiblabs/dbal,gencer/dbal,vortgo/dbal,mbeccati/dbal,mRoca/dbal,stof/dbal,sarcher/dbal,gencer/dbal,cassvail/dbal,mathroc/dbal,mRoca/dbal,deeky666/dbal,kupishkis/dbal,DataSyntax/dbal,stof/dbal,PowerKiKi/dbal,adrienbrault/dbal,wuxu92/dbal,BenMorel/dbal,DHager/dbal,stchr/dbal,LionwareSolutions/dbal,mariuz/dbal,helicon-os/doctrine-dbal,mihai-stancu/dbal,adrienbrault/dbal,mathroc/dbal