### Description
Given all the shell files that now exist in the repo, would be nice to
have linting/formatting around them (in addition to the existing
shellcheck which doesn't do anything to format the shell code). This PR
introduces `shfmt` to both check for changes and apply formatting when
the associated make targets are called.
### Description
Update all other connectors to use the new downstream architecture that
was recently introduced for the s3 connector.
Closes#1313 and #1311
* Pull out s3 code as subcommand
* Pull out dropbox code as subcommand
* Pull out azure code as subcommand
* Pull out fsspec code as subcommand
* Pull out github code as subcommand
* Pull out gitlab code as subcommand
* Pull out reddit code as subcommand
* Pull out slack code as subcommand
* Pull out discord code as subcommand
* Pull out wikipedia code as subcommand
* Pull out gdrive code as subcommand
* Pull out biomed code as subcommand
* rename parameters
* Pull out onedrive code as subcommand
* Pull out outlook code as subcommand
* Pull out local code as subcommand
* Pull out elasticsearch code as subcommand
* Pull out confluence code as subcommand
* Drop previous main file
* update changelog
* Add back in mp.Pool
* Fix mypy issues with click
* Make sure all tests run with verbose flag
* refactor approach to dynamically add common options to each subcommand, scrub logging of options for sensitive data
* Pull out some more shared options
* Support running code via python as well as cli
* update ingest readme and move it to the ingest folder
* update usage in connector docs
* move local command arg in test
* Seperate out cli code from logic running unstructured
* Make some cli fields required rather than optional
* rename process -> processor
* Improve logger to avoid duplicate handlers
---------
Co-authored-by: Ryan Nikolaidis <1208590+ryannikolaidis@users.noreply.github.com>
