Fix issues

Author: craigshoemaker

articles/container-apps/TOC.yml

@@ -42,6 +42,12 @@
           href: jobs-get-started-cli.md
 - name: Key concepts
   items:
+    - name: Compute and billing structures
+      items:
+      - name: Overview
+        href: structure.md.md
+      - name: Consumption-only environment type
+        href: environment-type-consumption-only.md
     - name: Compare container options in Azure
       href: compare-options.md
     - name: Plans

articles/container-apps/structure.md

@@ -1,6 +1,6 @@
 ---
 title: Compute and billing structures in Azure Container Apps
-description: Learn how compute and networking features and billing methods are structured in Azure Container Apps 
+description: Learn how compute and networking features and billing methods are structured in Azure Container Apps.
 services: container-apps
 author: craigshoemaker
 ms.service: azure-container-apps