Add Content-Type header to all POST requests without an empty body#863

AudricV merged 7 commits intoTeamNewPipe:devTeamNewPipe/NewPipeExtractor:devfrom

AudricV:add-content-type-and-content-length-headers-to-post-requestsAudricV/NewPipeExtractor:add-content-type-and-content-length-headers-to-post-requestsCopy head branch name to clipboard