Work in progress on sailing library

content/sail-library/rules/_index.md

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+---
+title: Rules
+date: 2021-05-23
+type: book
+weight: 1
+---

content/sail-library/rules/flowchart.md

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+---
+title: Rule flowchart
+date: 2021-05-23
+type: book
+weight: 1
+---
+
+```mermaid
+graph TD
+    Start[Started] --> B{Same tack?};
+    B -- Yes --> C[Overlapped];
+    B -- No --> D[Non overlapped]
+    C --> D[Rethink];
+    D --> B;
+    B -- No ----> E[End];
+```
+