(GH-58) updated GRM config

GitReleaseManager.yaml

@@ -8,6 +8,9 @@ create:
     with `#module nuget:?package=Cake.BuildSystems.Module&version={milestone}`.
   footer-includes-milestone: true
   milestone-replace-text: "{milestone}"
+  include-sha-section: true
+  sha-section-heading: "SHA256 Hashes of the release artifacts"
+  sha-section-line-format: "- `{1}\t{0}`"
 export:
   include-created-date-in-title: true
   created-date-string-format: yyyy-MM-dd
@@ -32,3 +35,11 @@ issue-labels-alias:
   - name: security
     header: Security
     plural: Security
+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/Cake.BuildSystems.Module/{milestone})
+    Your **[GitReleaseManager](https://github.com/GitTools/GitReleaseManager)** bot :package::rocket: