Introduced the Main provider in the providers.md.
Fixed function name typo in the providers.md.
Added the Requests manager factory, and changed the design of the main provider so it uses the multiporcessing module.
Added initial version of the providers factory in the providers.md.
Moved the main provider section to the end of the providers.md.
Latest state of the providers.md.
Added the QUEUED status to the InputStatus in the input_processing.md.
Added the subtitles_deployment.md file to the repo.