[Resolves #41] Add console welcome message

- updated custom console to include welcome message

lib/apartment/console.rb

@@ -35,3 +35,11 @@ def tenant_list
   tenant_list += Apartment.tenant_names
   tenant_list.uniq
 end
+
+def tenant_info_msg
+  log_level = ActiveRecord::Base.logger.level
+  ActiveRecord::Base.logger.level = :error
+  puts "Available Tenants: #{tenant_list}\n"
+  puts "Use `st 'tenant'` to switch tenants & `tenant_list` to see list\n"
+  ActiveRecord::Base.logger.level = log_level
+end

lib/apartment/custom_console.rb

@@ -21,6 +21,9 @@ module CustomConsole
       end
 
       Pry.config.prompt = Pry::Prompt[:ros][:value]
+      Pry.config.hooks.add_hook(:when_started, "startup message") do
+        tenant_info_msg
+      end
     end
   end
 end