allow review and approve

config/locales/en.yml

@@ -773,6 +773,8 @@ en:
     update:
       notice: The material release has been updated
   medical_releases:
+    approve:
+      release_approved: Medical release has been approved
     custom_validation_errors:
       question_answer_is_required: answer is required
     destroy:
@@ -785,9 +787,16 @@ en:
         notes: Notes
         signed_at: Date Signed
         tags: Tags
+        approved: Approved
     medical_release:
       actions:
         manage: Manage
+      messages:
+        approved_tooltip: Approved by %{user} on %{timestamp}
+    review:
+      actions:
+        approve: Approve
+      heading: Review Medical Release
   misc_releases:
     destroy:
       alert: The misc release has been deleted