Update Support Requests app listing

_apps/support.md

@@ -23,41 +23,48 @@ organizations:
 - crate
 - Laravel-Backpack
 ---
-
 A GitHub App that comments on and closes issues labeled as support requests.
 
 ## Usage
 
-1. [Install the GitHub App](https://github.com/apps/support)
+1. **[Install the GitHub App](https://github.com/apps/support)**
+   for the intended repositories
 2. Create `.github/support.yml` based on the template below
 3. Start labeling issues as support requests
 
+#### Configuration
+
 Create `.github/support.yml` in the default branch to enable the app.
 The file can be empty, or it can override any of these default settings:
 
-```yml
+```yaml
 # Configuration for support-requests - https://github.com/dessant/support-requests
 
 # Label used to mark issues as support requests
 supportLabel: support
 
-# Comment to post on issues marked as support requests. Add a link
-# to a support page, or set to `false` to disable
+# Comment to post on issues marked as support requests, `{issue-author}` is an
+# optional placeholder. Set to `false` to disable
 supportComment: >
-  👋 We use the issue tracker exclusively for bug reports and feature requests.
-  However, this issue appears to be a support request. Please use our
-  support channels to get help with the project.
+  :wave: @{issue-author}, we use the issue tracker exclusively for bug reports
+  and feature requests. However, this issue appears to be a support request.
+  Please use our support channels to get help with the project.
 
 # Close issues marked as support requests
 close: true
 
 # Lock issues marked as support requests
 lock: false
+
+# Assign `off-topic` as the reason for locking. Set to `false` to disable
+setLockReason: true
+
+# Repository to extend settings from
+# _extends: repo
 ```
 
 ## Supporting the Project
 
-Support Requests is an MIT-licensed open source project. Its ongoing
-development is made possible thanks to the support of awesome backers.
-If you'd like to join them, please consider contributing with
-[Patreon](https://www.patreon.com/dessant).
+The continued development of Support Requests is made possible
+thanks to the support of awesome backers. If you'd like to join them,
+please consider contributing with [Patreon](https://www.patreon.com/dessant).