chat: add suggestions for commands, reduce 'joined' spam, make server prints white

resources/[system]/chat/html/App.js

@@ -68,6 +68,9 @@ window.APP = {
       if (!suggestion.params) {
         suggestion.params = []; //TODO Move somewhere else
       }
+      if (this.suggestions.find(a => a.name == suggestion.name)) {
+        return;
+      }
       this.suggestions.push(suggestion);
     },
     ON_SUGGESTION_REMOVE({ name }) {

resources/[system]/chat/html/config.default.js

@@ -6,6 +6,7 @@ window.CONFIG = {
   templates: { //You can add static templates here
     'default': '<b>{0}</b>: {1}',
     'defaultAlt': '{0}',
+    'print': '<pre>{0}</pre>',
     'example:important': '<h1>^2{0}</h1>'
   },
   fadeTimeout: 7000,