First commit
Add 'src/Swarrot/Processor/Retry/' from commit '10817af59f50e3604fa654d28897c2d4e52a7786'

git-subtree-dir: src/Swarrot/Processor/Retry
git-subtree-mainline: 1d327a9e8f9ea860045a48c09592315c6f1d15ac
git-subtree-split: 10817af59f50e3604fa654d28897c2d4e52a7786
Add Retry subsplt
Update README with some informations about subsplits
Rework Message. First version of RetryProcessor
Move MessageProviders