Add Province Improvements data and reference page; update navigation and documentation

docs/Document Raw Data and Turn it into Class Data.md

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+---
+type: Prompt
+---
+Take Province Improvement Data.md and update the data information based on the current and newly added raw data sections.
+
+After this is updated, then add new C# classes and data to the AOW4/Data folder.
+
+Then when this is done, add a Blazor page with a table in the Reference section to show off said data.