Merge pull request MicrosoftDocs#2810 from MicrosoftDocs/iawilt-pmr-mar5

Merge Summerland launch topics

Author: shellyhaverkamp

.gitignore

@@ -9,4 +9,7 @@ _repo.*/
 settings.json
 
 # Folder config file
-[Dd]esktop.ini
+[Dd]esktop.ini
+/.vs/slnx.sqlite
+/.vs/powerapps-docs-pr/v16/.suo
+/.vs/VSWorkspaceState.json

powerapps-docs/maker/TOC.yml

@@ -309,6 +309,18 @@
             href: ./canvas-apps/use-line-pie-bar-chart.md
           - name: Add multimedia
             href: ./canvas-apps/add-images-pictures-audio-video.md
+          - name: "Add mixed reality components (Preview)"
+            items:
+            - name: Mixed reality components
+              href: ./canvas-apps/mixed-reality-overview.md
+            - name: View and manipulate 3D models
+              href: ./canvas-apps/mixed-reality-component-view-3d.md
+            - name: View predefined shapes in mixed reality
+              href: ./canvas-apps/mixed-reality-component-view-shape.md
+            - name: View 3D models and 2D images in mixed reality
+              href: ./canvas-apps/mixed-reality-component-view-mr.md
+            - name: Measure in mixed reality
+              href: ./canvas-apps/mixed-reality-component-measure-distance.md
           - name: Add Power BI data
             href: ./canvas-apps/powerapps-custom-visual.md
           - name: Working with gallery