Ask confirmation before reinstallation
Ask confirmation before reinstallation

See https://github.com/FreshRSS/FreshRSS/issues/909

asmundg/FreshRSS,samuelstein/FreshRSS,superboum/FreshRSS,FreshRSS/FreshRSS,marienfressinaud/FreshRSS,samuelstein/FreshRSS,Alkarex/FreshRSS,marienfressinaud/FreshRSS,aledeg/FreshRSS,aledeg/FreshRSS,Alkarex/FreshRSS,Dolomich/FreshRSS,Dolomich/FreshRSS,superboum/FreshRSS,FreshRSS/FreshRSS,samuelstein/FreshRSS,aledeg/FreshRSS,asmundg/FreshRSS,Alkarex/FreshRSS,romibi/FreshRSS,superboum/FreshRSS,romibi/FreshRSS,romibi/FreshRSS,aledeg/FreshRSS,Dolomich/FreshRSS,asmundg/FreshRSS,FreshRSS/FreshRSS,marienfressinaud/FreshRSS,FreshRSS/FreshRSS,Alkarex/FreshRSS,romibi/FreshRSS,marienfressinaud/FreshRSS