(GH-194) Add config for new GRM features

Since GRM is now dogfooding itself during the build, we can take
advatange of new released features, before they are actually released.
Let's give this a try for SHA's and updating of issues included in a
milestone.

Author: gep13

GitReleaseManager.yaml

@@ -13,4 +13,21 @@ issue-labels-alias:
       plural: Documentation
     - name: security
       header: Security
-      plural: Security
+      plural: Security
+create:
+    include-sha-section: true
+    sha-section-heading: "SHA256 Hashes of the release artifacts"
+    sha-section-line-format: "- `{1}\t{0}`"
+close:
+  use-issue-comments: true
+  issue-comment: |-
+    :tada: This issue has been resolved in version {milestone} :tada:
+
+    The release is available on:
+
+    - [GitHub Release](https://github.com/{owner}/{repository}/releases/tag/{milestone})
+    - [NuGet Package](https://www.nuget.org/packages/gitreleasemanager/{milestone})
+    - [Chocolatey Package](https://chocolatey.org/packages/gitreleasemanager.portable/{milestone})
+    - [.Net Global Tool](https://www.nuget.org/packages/GitReleaseManager.Tool/{milestone})
+
+    Your **[GitReleaseManager](https://github.com/GitTools/GitReleaseManager)** bot :package::rocket: