Update README.md

Author: daobrien

README.md

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 A guide to writing clear, concise, and consistent technical documentation.
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+The Red Hat Style Guide and Word Usage Dictionary is a joint effort by various groups within Red Hat.
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+It covers recommended design practices, how to write for translation, common mistakes to avoid, rules for everyday punctuation, grammar, and sources of information for the less common cases.
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+It is based on The IBM Style Guide but differs in several key areas, uses the Merriam-Webster Collegiate Dictionary and American Heritage Dictionary as spelling references, and the Chicago Manual of Style (17th Ed.) for further grammatical and style decisions.