Move strategies with known lookahead bias to a separate directory.

closes #240
closes #238
closes #237

user_data/strategies/lookahead_bias/readme.md

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+Warning, Strategies in this folder do have a lookahead bias.
+
+Please see these as practice to see if you can spot the lookahead bias.
+
+
+<details>
+<summary>Expand for spoilers / solution</summary>
+
+Please Click on each strategy to see details of the mistakes.
+
+<details>
+<summary>DevilStra</summary>
+
+`normalize()` uses `.min()` and `.max()`. This uses the full dataframe, not just past data.
+
+</details>
+
+<details>
+<summary>GodStraNew</summary>
+
+`normalize()` uses `.min()` and `.max()`. This uses the full dataframe, not just past data.
+</details>
+<details>
+<summary>Zeus</summary>
+
+uses `.min()` and `.max()` to normalize `trend_ichimoku_base` as well as `trend_kst_diff`.
+
+</details>
+</details>