Add `now login` and document `now logout`

bin/now-deploy.js

@@ -98,6 +98,8 @@ const help = () => {
       upgrade | downgrade  [plan]      Upgrades or downgrades your plan
       teams                [team]      Manages your teams
       switch                           Switches between teams and your account
+      login                            Login into your account or creates a new one
+      logout                           Logout from your account
 
   ${chalk.dim('Options:')}
 

bin/now.js

@@ -103,6 +103,8 @@ if (index > -1) {
 // rather show the general help and be useful
 if (cmd === 'help') {
   cmd = 'deploy'
+} else if (cmd === defaultCommand && args[0] === 'login') {
+  args[0] = '--login'
 }
 
 const bin = resolve(__dirname, 'now-' + cmd + '.js')