Update eclipse-simrel.jsonnet (#2)

Update descriptive details and prevent merge commits.

Signed-off-by: Ed Merks <Ed.Merks@gmail.com>

otterdog/eclipse-simrel.jsonnet

@@ -2,9 +2,11 @@ local orgs = import 'vendor/otterdog-defaults/otterdog-defaults.libsonnet';
 
 orgs.newOrg('eclipse-simrel') {
   settings+: {
+    blog: "https://ci.eclipse.org/simrel",
     default_repository_permission: 'none',
     dependabot_security_updates_enabled_for_new_repositories: false,
     description: "SimRel provides infrastructure for coordinating the release of projects used to build Eclipse IDE/RCP applications.",
+    email: "cross-project-issues-dev@eclipse.org",
     members_can_change_project_visibility: false,
     name: "Eclipse Simultaneous Release",
     packages_containers_internal: false,
@@ -26,7 +28,9 @@ orgs.newOrg('eclipse-simrel') {
   ],
   _repositories+:: [
     orgs.newRepo('simrel.build') {
+      allow_merge_commit: false,
       allow_update_branch: false,
+      description: "The aggregation model and build infrastructure.",
       web_commit_signoff_required: false,
       branch_protection_rules: [
         orgs.newBranchProtectionRule('main') {
@@ -41,7 +45,9 @@ orgs.newOrg('eclipse-simrel') {
       ],
     },
     orgs.newRepo('simrel.tools') {
+      allow_merge_commit: false,
       allow_update_branch: false,
+      description: "Utilities and tools for maintenance.",
       web_commit_signoff_required: false,
       branch_protection_rules: [
         orgs.newBranchProtectionRule('main') {