Add training workflow, datasets, and runbook

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+Preface
+I’ve always been fascinated by trading. When I was young, I’d see traders
+on television, in their brightly colored jackets, shouting on the seemingly
+chaotic trading floor, and I’d marvel at them. What a wonderful job that
+must be! These traders seemed to me to be very different from the rest of
+us. It’s all so very esoteric.
+It is easy to assume that professional traders have closely kept secrets to
+their ways of trading—something that secures success in trading for them,
+but is out of reach for everyone else. In fact, nothing could be further from
+the truth. If there are any “secrets” of professional traders, this book will
+expose them.
+True enough, in years past there have been some barriers to entry to
+trading success that did indeed make it difficult for nonprofessionals to
+succeed. For example, commissions, bid-ask spreads, margin requirements,
+and information flow all favored the professional trader. Now, these barriers
+are gone. Competition among brokers and exchanges—as well as the
+ubiquity of information as propagated on the Internet—has torn down those
+walls. The only barrier left between the Average Joe and the options pro is
+that of knowledge. Those who have it will succeed; those who do not will
+fail.
+To be sure, the knowledge held by successful traders is not that of what
+will happen in the future; it is the knowledge of how to manage the
+uncertainty. No matter what our instincts tell us, we do not know what will
+happen in the future with regard to the market. As Socrates put it, “The only
+true wisdom is in knowing you know nothing.” The masters of option
+trading are masters of managing the risk associated with what they don’t
+know—the risk of uncertainty.
+As an instructor, I’ve talked to many traders who were new to options
+who told me, “I made a trade based on what I thought was going to happen.
+I was right, but my position lost money!” Choosing the right strategy makes
+all the difference when it comes to mastery of risk management and