Add new chapter for Error Wrapping (#22)

* Draft error wrapping example

* Draft example and motivation

* Draft WrapError

* Redesign CanWrapError

* Finish section for error wrapper

* Draft example use of structured error wrapping

* Finish section for structured error wrapping

* Finish chapter

* Remove draft code

* Remove main.rs

Author: soareschen

content/SUMMARY.md

@@ -24,7 +24,7 @@
 - [Error Handling](error-handling.md)
     - [Delegated Error Raisers](delegated-error-raiser.md)
     - [Error Reporting](error-reporting.md)
-    - [Wrapping Errors]()
+    - [Error Wrapping](error-wrapping.md)
 - [Component Presets]()
 - [Trait-Generic Providers]()
     - [`WithProvider`]()