Added rake tasks for server management

lib/tasks/server.rake

@@ -0,0 +1,11 @@
+namespace :server do
+  desc 'Test self server to see if it works'
+  task test_self: :environment do
+    TestSelfServer.call
+  end
+
+  desc 'Switch fallback IP to self'
+  task switch: :environment do
+    SwitchServer.call
+  end
+end