Adds periods to the end of each list line, as each line is a complete… (

#34958)

Co-authored-by: Alex Nguyen <150945400+nguyenalex836@users.noreply.github.com>

content/codespaces/developing-in-a-codespace/persisting-environment-variables-and-temporary-files.md

@@ -30,19 +30,19 @@ After you save the change to this file, the value will be set the next time you
 
 There are three ways that you can set persistent custom environment variables for all codespaces that you create for a repository:
 
-* You can edit the `devcontainer.json` configuration file for the repository
-* You can use a custom Dockerfile
-* You can use development environment secrets
+* You can edit the `devcontainer.json` configuration file for the repository.
+* You can use a custom Dockerfile.
+* You can use development environment secrets.
 
 #### Edit the `devcontainer.json` configuration file for the repository
 
 Edit the `devcontainer.json` configuration file for the repository, and use the `remoteEnv` property to set the environment variable value:
 
 ```json
 {
-    "remoteEnv": {
-      "VARNAME": "value"
-   }
+  "remoteEnv": {
+    "VARNAME": "value"
+  }
 }
 ```