Adjust docs to list new async overload of catch function

Author: Jeehut

Sources/ErrorKit/Catching.swift

@@ -135,7 +135,7 @@ extension Catching {
    ) throws(Self) -> ReturnType {
       do {
          return try operation()
-      } catch let error as Self {
+      } catch let error as Self {  // Avoid nesting if the error is already of the expected type
          throw error
       } catch {
          throw Self.caught(error)
@@ -182,7 +182,7 @@ extension Catching {
    ) async throws(Self) -> ReturnType {
       do {
          return try await operation()
-      } catch let error as Self {
+      } catch let error as Self {  // Avoid nesting if the error is already of the expected type
          throw error
       } catch {
          throw Self.caught(error)

Sources/ErrorKit/ErrorKit.docc/Guides/Typed-Throws-and-Error-Nesting.md

@@ -262,6 +262,7 @@ Be sure to explore the error chain debugging features to get the full benefit of
 ### Essentials
 
 - ``Catching``
+- ``Catching/catch(_:)-8kmn1``
 - ``Catching/catch(_:)``
 
 ### System Overloads