Add `simple` and `postgresql-orm`
Add `simple` and `postgresql-orm`

Add the _Simple_ web framework packages (templates, orm and sessions) as well as `postgresql-orm`, a `postgresql-simple`-based ORM
jonschoning/stackage,GregorySchwartz/stackage,brendanhay/stackage,judah/stackage,iand675/stackage,garetxe/stackage,spencerjanssen/stackage,creichert/stackage,marcinmrotek/stackage,DanielG/stackage,christiaanb/stackage,lwm/stackage,fimad/stackage,nomeata/stackage,simonmichael/stackage,fpco/stackage,agrafix/stackage,phadej/stackage,stackbuilders/stackage,peti/stackage,athanclark/stackage,l29ah/stackage,k0ral/stackage,codedmart/stackage,ygale/stackage,ethercrow/stackage,jaspervdj/stackage,phaazon/stackage,clinty/stackage,mrkkrp/stackage,massysett/stackage,mgajda/stackage,asr/stackage,soenkehahn/stackage,int-index/stackage,Gabriel439/stackage,michalkonecny/stackage,alanz/stackage,wereHamster/stackage,Daniel-Diaz/stackage,bartavelle/stackage,Shimuuar/stackage,mstksg/stackage