disabling Rack::Cache
getting ready for production
append to .gitignore
updates README.md
updates readme
updates README.md
udpates README.md
update README.md
updates README.md
updates README.md
updates README.md
updates README.md
updates README.md
Updates README.md

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updates README.md
updates README.md
updates README.md
updates README.md
updates README.md