Create WinRT docs for New Architecture builds in CI (#14670)

## Description

Makes sure we also run the task to create WinRT docs in CI with New Architecture builds.

### Type of Change
- New feature (non-breaking change which adds functionality)

### Why
What is the motivation for this change? Add a few sentences describing the context and overall goals of the pull request's commits.

Resolves #14669 

### What
Added the CreateApiDocs flag to fabric configurations to the universal matrix

## Screenshots
N/A

## Testing
Verified the docs became available

## Changelog
Should this change be included in the release notes: _no_

Author: jonthysell

.ado/jobs/universal.yml

@@ -17,6 +17,7 @@
               BuildConfiguration: Debug
               BuildPlatform: x64
               UseFabric: false
+              CreateApiDocs: true
             - Name: X64Release
               BuildConfiguration: Release
               BuildPlatform: x64
@@ -25,7 +26,6 @@
               BuildConfiguration: Debug
               BuildPlatform: x86
               UseFabric: false
-              CreateApiDocs: true
             - Name: X86Release
               BuildConfiguration: Release
               BuildPlatform: x86
@@ -38,6 +38,7 @@
               BuildConfiguration: Debug
               BuildPlatform: x64
               UseFabric: true
+              CreateApiDocs: true
             - Name: X64ReleaseFabric
               BuildConfiguration: Release
               BuildPlatform: x64
@@ -73,6 +74,7 @@
               BuildConfiguration: Debug
               BuildPlatform: x64
               UseFabric: false
+              CreateApiDocs: true
             - Name: X64Release
               BuildConfiguration: Release
               BuildPlatform: x64
@@ -81,7 +83,6 @@
               BuildConfiguration: Debug
               BuildPlatform: x86
               UseFabric: false
-              CreateApiDocs: true
             - Name: X86Release
               BuildConfiguration: Release
               BuildPlatform: x86
@@ -98,6 +99,7 @@
               BuildConfiguration: Debug
               BuildPlatform: x64
               UseFabric: true
+              CreateApiDocs: true
             - Name: X64ReleaseFabric
               BuildConfiguration: Release
               BuildPlatform: x64
@@ -168,9 +170,9 @@
 
                 - ${{ if eq(matrix.CreateApiDocs, true) }}:
                   - powershell: |
-                      $winmd2md_url = "https://github.com/asklar/winmd2md/releases/download/v0.1.13/winmd2md.exe"
+                      $winmd2md_url = "https://github.com/asklar/winmd2md/releases/download/v0.1.16/winmd2md.exe"
                       Invoke-WebRequest -UseBasicParsing $winmd2md_url -OutFile $env:TEMP\winmd2md.exe
-                      & $env:TEMP\winmd2md.exe /experimental /outputDirectory vnext\target\winmd2md vnext\target\x86\Debug\Microsoft.ReactNative\Microsoft.ReactNative.winmd
+                      & $env:TEMP\winmd2md.exe /experimental /outputDirectory vnext\target\winmd2md vnext\target\${{ matrix.BuildPlatform }}\${{ matrix.BuildConfiguration }}\Microsoft.ReactNative\Microsoft.ReactNative.winmd
                     displayName: "Generate WinRT API docs"
 
                   - task: PublishBuildArtifacts@1

change/react-native-windows-6c86a7c5-5df0-4e0e-80c1-05b5bb76fba4.json

@@ -0,0 +1,7 @@
+{
+  "type": "prerelease",
+  "comment": "Fix documentation in IReactPackageBuilderFabric",
+  "packageName": "react-native-windows",
+  "email": "[email protected]",
+  "dependentChangeType": "patch"
+}

vnext/Microsoft.ReactNative/IReactPackageBuilderFabric.idl

@@ -14,14 +14,13 @@ namespace Microsoft.ReactNative
 
   [webhosthidden]
   [experimental]
-  DOC_STRING("Provides ability to register custom ViewComponents when running fabric.  Methods on this interface will eventually be moved onto @IReactPackageProvider once fabric ships.")
+  DOC_STRING("Provides ability to register custom ViewComponents when running fabric.")
   interface IReactPackageBuilderFabric
   {
     DOC_STRING("Registers a custom native view component.")
     void AddViewComponent(String componentName, ReactViewComponentProvider componentProvider);
 
-    DOC_STRING(
-      "Ability to load images using custom Uri protocol handlers. The provider should implement @Composition.IUriImageStreamProvider or @Composition.Experimental.IUriBrushProvider.")
+    DOC_STRING("Ability to load images using custom Uri protocol handlers.")
     void AddUriImageProvider(Microsoft.ReactNative.Composition.IUriImageProvider provider);
   };