update time estimations of finished idiomatic chapters (#2993)

based on our internal documentation
in regards to the total time estimation for each
of these chapters

src/idiomatic/leveraging-the-type-system/typestate-pattern.md

@@ -1,5 +1,5 @@
 ---
-minutes: 30
+minutes: 5
 ---
 
 ## Typestate Pattern: Problem

src/idiomatic/leveraging-the-type-system/typestate-pattern/typestate-advanced.md

@@ -1,3 +1,7 @@
+---
+minutes: 10
+---
+
 ## Beyond Simple Typestate
 
 How do we manage increasingly complex configuration flows with many possible

src/idiomatic/leveraging-the-type-system/typestate-pattern/typestate-example.md

@@ -1,3 +1,7 @@
+---
+minutes: 10
+---
+
 ## Typestate Pattern: Example
 
 The typestate pattern encodes part of a value’s runtime state into its type.

src/idiomatic/leveraging-the-type-system/typestate-pattern/typestate-generics.md

@@ -1,3 +1,7 @@
+---
+minutes: 10
+---
+
 ## Typestate Pattern with Generics
 
 By combining typestate modeling with generics, we can express a wider range of

src/idiomatic/leveraging-the-type-system/typestate-pattern/typestate-generics/complete.md

@@ -1,3 +1,7 @@
+---
+minutes: 15
+---
+
 ## Serializer: complete implementation
 
 Looking back at our original desired flow:

src/idiomatic/leveraging-the-type-system/typestate-pattern/typestate-generics/property.md

@@ -1,3 +1,7 @@
+---
+minutes: 5
+---
+
 ## Serializer: implement Property
 
 ```rust

src/idiomatic/leveraging-the-type-system/typestate-pattern/typestate-generics/root.md

@@ -1,3 +1,7 @@
+---
+minutes: 5
+---
+
 ## Serializer: implement Root
 
 ```rust

src/idiomatic/leveraging-the-type-system/typestate-pattern/typestate-generics/struct.md

@@ -1,3 +1,7 @@
+---
+minutes: 5
+---
+
 ## Serializer: implement Struct
 
 ```rust