add openapi tags to group operations

lib/App/Netdisco/Web/AuthN.pm

@@ -81,6 +81,7 @@ get qr{^/(?:login(?:/denied)?)?} => sub {
 # override default login_handler so we can log access in the database
 swagger_path {
   description => 'Obtain an API Key using HTTP BasicAuth',
+  tags => ['Global'],
   parameters => [],
   responses => {
     default => {
@@ -165,6 +166,7 @@ Dancer::Plugin::Swagger->instance->doc->{paths}->{'/login'}
 # we override the default login_handler, so logout has to be handled as well
 swagger_path {
   description => 'Destroy user API Key and session cookie',
+  tags => ['Global'],
   parameters => [],
   responses => { default => { examples => { 'application/json' => {} } } },
 },

lib/App/Netdisco/Web/Plugin/API/NodeIP.pm

@@ -13,6 +13,7 @@ use NetAddr::IP::Lite;
 
 swagger_path {
   description => 'Search for a Node to IP mapping (ARP entry)',
+  tags => ['NodeIPs'],
   parameters => [
     mac => 'MAC address',
     ip => 'IP address',