Improve the admin tasks

lib/tasks/admin.rake

@@ -1,22 +1,33 @@
 namespace :admin do
-  task :create_admin, [:email] => :environment do |_t, args|
-    email = args[:email]
-    puts "Creating Administration for #{email}"
-    a = Administration.new(email: email, password: Devise.friendly_token[0, 20])
-    if a.save
-      puts "#{a.email} created"
-    else
-      puts "An error occured : #{a.errors.full_messages}"
-    end
-  end
-
+  desc <<~EOD
+    List all super-admins
+  EOD
   task list: :environment do
-    puts "All Administrations :"
+    puts "All Administrations:"
     Administration.all.pluck(:email).each do |a|
       puts a
     end
   end
 
+  desc <<~EOD
+    Create a new super-admin account with the #EMAIL email address.
+  EOD
+  task :create_admin, [:email] => :environment do |_t, args|
+    email = args[:email]
+
+    puts "Creating Administration for #{email}"
+    a = Administration.new(email: email, password: Devise.friendly_token[0, 20])
+
+    if a.save
+      puts "#{a.email} created"
+    else
+      puts "An error occured: #{a.errors.full_messages}"
+    end
+  end
+
+  desc <<~EOD
+    Delete the #EMAIL super-admin account
+  EOD
   task :delete_admin, [:email] => :environment do |_t, args|
     email = args[:email]
     puts "Deleting Administration for #{email}"