Decompose monolithic readme into docs/ directory structure

docs/values/check.md

@@ -0,0 +1,13 @@
+[Overview](../overview.md) | [Installation](../installation.md) | [Usage](../usage.md) | [Types](../types/) | **Values** | [Syntax](../syntax/) | [TypeRegistry](../type-registry.md) | [TypeCheck](../type-check.md)
+
+# Check
+
+Use the Check function to type check a value.
+
+```typescript
+const T = Type.Object({ x: Type.Number() });
+
+const R = Value.Check(T, { x: 1 }); // const R = true
+```
+
+Back to [Home](../../readme.md)