bugdown: add some type annotations.
bugdown: add some type annotations.

Had to add some "type: ignore" because the pattern used in match
doesn't affect the type returned. A fix for this issue has been pushed
to typeshed - https://github.com/python/typeshed/pull/244

vabs22/zulip,grave-w-grave/zulip,samatdav/zulip,peguin40/zulip,arpith/zulip,kou/zulip,christi3k/zulip,vabs22/zulip,amanharitsh123/zulip,paxapy/zulip,grave-w-grave/zulip,timabbott/zulip,calvinleenyc/zulip,joyhchen/zulip,punchagan/zulip,sonali0901/zulip,Vallher/zulip,AZtheAsian/zulip,calvinleenyc/zulip,susansls/zulip,eeshangarg/zulip,Diptanshu8/zulip,synicalsyntax/zulip,verma-varsha/zulip,punchagan/zulip,punchagan/zulip,calvinleenyc/zulip,KingxBanana/zulip,christi3k/zulip,mohsenSy/zulip,brockwhittaker/zulip,punchagan/zulip,jphilipsen05/zulip,Galexrt/zulip,hackerkid/zulip,mohsenSy/zulip,ryanbackman/zulip,sonali0901/zulip,tommyip/zulip,krtkmj/zulip,vikas-parashar/zulip,vaidap/zulip,mahim97/zulip,aakash-cr7/zulip,brockwhittaker/zulip,susansls/zulip,Vallher/zulip,brockwhittaker/zulip,dattatreya303/zulip,susansls/zulip,Jianchun1/zulip,dattatreya303/zulip,zulip/zulip,ryanbackman/zulip,Jianchun1/zulip,tommyip/zulip,mahim97/zulip,PhilSk/zulip,blaze225/zulip,hackerkid/zulip,sup95/zulip,dawran6/zulip,kou/zulip,ahmadassaf/zulip,susansls/zulip,brainwane/zulip,andersk/zulip,sup95/zulip,synicalsyntax/zulip,sonali0901/zulip,tommyip/zulip,arpith/zulip,jackrzhang/zulip,hackerkid/zulip,ahmadassaf/zulip,j831/zulip,hackerkid/zulip,ahmadassaf/zulip,zacps/zulip,ahmadassaf/zulip,Juanvulcano/zulip,sup95/zulip,TigorC/zulip,reyha/zulip,blaze225/zulip,zulip/zulip,mohsenSy/zulip,AZtheAsian/zulip,souravbadami/zulip,dawran6/zulip,AZtheAsian/zulip,dawran6/zulip,dawran6/zulip,SmartPeople/zulip,peguin40/zulip,vaidap/zulip,mohsenSy/zulip,zacps/zulip,dhcrzf/zulip,dattatreya303/zulip,peguin40/zulip,niftynei/zulip,amyliu345/zulip,verma-varsha/zulip,sonali0901/zulip,sup95/zulip,krtkmj/zulip,andersk/zulip,j831/zulip,umkay/zulip,jackrzhang/zulip,samatdav/zulip,amyliu345/zulip,blaze225/zulip,cosmicAsymmetry/zulip,reyha/zulip,vabs22/zulip,timabbott/zulip,aakash-cr7/zulip,Diptanshu8/zulip,jrowan/zulip,blaze225/zulip,rishig/zulip,vabs22/zulip,mahim97/zulip,mahim97/zulip,eeshangarg/zulip,christi3k/zulip,zulip/zulip,dhcrzf/zulip,niftynei/zulip,Diptanshu8/zulip,PhilSk/zulip,Galexrt/zulip,samatdav/zulip,peguin40/zulip,Juanvulcano/zulip,vabs22/zulip,amyliu345/zulip,jphilipsen05/zulip,synicalsyntax/zulip,vikas-parashar/zulip,timabbott/zulip,timabbott/zulip,synicalsyntax/zulip,KingxBanana/zulip,synicalsyntax/zulip,tommyip/zulip,KingxBanana/zulip,vabs22/zulip,niftynei/zulip,krtkmj/zulip,vaidap/zulip,Galexrt/zulip,rishig/zulip,ahmadassaf/zulip,Juanvulcano/zulip,timabbott/zulip,cosmicAsymmetry/zulip,eeshangarg/zulip,TigorC/zulip,amanharitsh123/zulip,Juanvulcano/zulip,ryanbackman/zulip,ryanbackman/zulip,umkay/zulip,JPJPJPOPOP/zulip,grave-w-grave/zulip,sonali0901/zulip,rht/zulip,KingxBanana/zulip,Diptanshu8/zulip,joyhchen/zulip,jainayush975/zulip,blaze225/zulip,dhcrzf/zulip,brainwane/zulip,Vallher/zulip,joyhchen/zulip,aakash-cr7/zulip,brockwhittaker/zulip,ahmadassaf/zulip,cosmicAsymmetry/zulip,dhcrzf/zulip,hackerkid/zulip,PhilSk/zulip,brainwane/zulip,amyliu345/zulip,christi3k/zulip,Vallher/zulip,hackerkid/zulip,SmartPeople/zulip,showell/zulip,souravbadami/zulip,grave-w-grave/zulip,mohsenSy/zulip,jackrzhang/zulip,calvinleenyc/zulip,isht3/zulip,umkay/zulip,Galexrt/zulip,eeshangarg/zulip,rht/zulip,SmartPeople/zulip,umkay/zulip,souravbadami/zulip,zacps/zulip,Vallher/zulip,zulip/zulip,jackrzhang/zulip,PhilSk/zulip,reyha/zulip,aakash-cr7/zulip,Galexrt/zulip,showell/zulip,paxapy/zulip,Jianchun1/zulip,amanharitsh123/zulip,zulip/zulip,samatdav/zulip,aakash-cr7/zulip,eeshangarg/zulip,joyhchen/zulip,aakash-cr7/zulip,j831/zulip,rht/zulip,arpith/zulip,Diptanshu8/zulip,calvinleenyc/zulip,PhilSk/zulip,Jianchun1/zulip,paxapy/zulip,vikas-parashar/zulip,vikas-parashar/zulip,paxapy/zulip,jackrzhang/zulip,eeshangarg/zulip,Vallher/zulip,reyha/zulip,AZtheAsian/zulip,joyhchen/zulip,rht/zulip,peguin40/zulip,JPJPJPOPOP/zulip,andersk/zulip,cosmicAsymmetry/zulip,niftynei/zulip,dawran6/zulip,jphilipsen05/zulip,andersk/zulip,sonali0901/zulip,isht3/zulip,Vallher/zulip,isht3/zulip,arpith/zulip,kou/zulip,TigorC/zulip,reyha/zulip,tommyip/zulip,verma-varsha/zulip,paxapy/zulip,vikas-parashar/zulip,andersk/zulip,Galexrt/zulip,zulip/zulip,andersk/zulip,souravbadami/zulip,KingxBanana/zulip,hackerkid/zulip,timabbott/zulip,Jianchun1/zulip,zacps/zulip,j831/zulip,jainayush975/zulip,samatdav/zulip,niftynei/zulip,ahmadassaf/zulip,JPJPJPOPOP/zulip,vaidap/zulip,krtkmj/zulip,eeshangarg/zulip,arpith/zulip,jackrzhang/zulip,Jianchun1/zulip,SmartPeople/zulip,sharmaeklavya2/zulip,susansls/zulip,ryanbackman/zulip,jrowan/zulip,brockwhittaker/zulip,vaidap/zulip,SmartPeople/zulip,jphilipsen05/zulip,SmartPeople/zulip,Juanvulcano/zulip,AZtheAsian/zulip,amyliu345/zulip,jainayush975/zulip,christi3k/zulip,jainayush975/zulip,shubhamdhama/zulip,rishig/zulip,dattatreya303/zulip,grave-w-grave/zulip,synicalsyntax/zulip,tommyip/zulip,shubhamdhama/zulip,krtkmj/zulip,shubhamdhama/zulip,isht3/zulip,showell/zulip,joyhchen/zulip,susansls/zulip,sharmaeklavya2/zulip,souravbadami/zulip,krtkmj/zulip,kou/zulip,dawran6/zulip,rishig/zulip,jphilipsen05/zulip,Galexrt/zulip,jrowan/zulip,mahim97/zulip,Juanvulcano/zulip,grave-w-grave/zulip,arpith/zulip,samatdav/zulip,rht/zulip,calvinleenyc/zulip,rishig/zulip,cosmicAsymmetry/zulip,blaze225/zulip,sup95/zulip,isht3/zulip,amanharitsh123/zulip,souravbadami/zulip,TigorC/zulip,jrowan/zulip,shubhamdhama/zulip,brainwane/zulip,reyha/zulip,zulip/zulip,showell/zulip,punchagan/zulip,jrowan/zulip,shubhamdhama/zulip,jrowan/zulip,rht/zulip,verma-varsha/zulip,isht3/zulip,sharmaeklavya2/zulip,brainwane/zulip,KingxBanana/zulip,vaidap/zulip,punchagan/zulip,umkay/zulip,timabbott/zulip,synicalsyntax/zulip,peguin40/zulip,jackrzhang/zulip,JPJPJPOPOP/zulip,j831/zulip,kou/zulip,sup95/zulip,brainwane/zulip,showell/zulip,kou/zulip,TigorC/zulip,rishig/zulip,jainayush975/zulip,niftynei/zulip,dhcrzf/zulip,amanharitsh123/zulip,sharmaeklavya2/zulip,TigorC/zulip,andersk/zulip,umkay/zulip,punchagan/zulip,kou/zulip,zacps/zulip,JPJPJPOPOP/zulip,Diptanshu8/zulip,ryanbackman/zulip,mahim97/zulip,JPJPJPOPOP/zulip,verma-varsha/zulip,showell/zulip,amyliu345/zulip,sharmaeklavya2/zulip,sharmaeklavya2/zulip,cosmicAsymmetry/zulip,showell/zulip,vikas-parashar/zulip,rishig/zulip,paxapy/zulip,AZtheAsian/zulip,dattatreya303/zulip,tommyip/zulip,j831/zulip,zacps/zulip,PhilSk/zulip,verma-varsha/zulip,rht/zulip,dhcrzf/zulip,brainwane/zulip,christi3k/zulip,umkay/zulip,krtkmj/zulip,jphilipsen05/zulip,dhcrzf/zulip,jainayush975/zulip,dattatreya303/zulip,amanharitsh123/zulip,brockwhittaker/zulip,shubhamdhama/zulip,mohsenSy/zulip,shubhamdhama/zulip