Initial plugin runtime api implementation

packages/node_modules/@node-red/editor-client/src/js/i18n.js

@@ -108,6 +108,31 @@ RED.i18n = (function() {
                     }
                 });
             })
+        },
+
+        loadPluginCatalogs: function(done) {
+            var languageList = i18n.functions.toLanguages(localStorage.getItem("editor-language")||i18n.detectLanguage());
+            var toLoad = languageList.length;
+
+            languageList.forEach(function(lang) {
+                $.ajax({
+                    headers: {
+                        "Accept":"application/json"
+                    },
+                    cache: false,
+                    url: apiRootUrl+'plugins/messages?lng='+lang,
+                    success: function(data) {
+                        var namespaces = Object.keys(data);
+                        namespaces.forEach(function(ns) {
+                            i18n.addResourceBundle(lang,ns,data[ns]);
+                        });
+                        toLoad--;
+                        if (toLoad === 0) {
+                            done();
+                        }
+                    }
+                });
+            })
         }
     }
 })();