prepare alpha.5 (remain work: MD preview, keybind)

lib/actions.js

@@ -2,6 +2,7 @@
 export const ARTICLE_UPDATE = 'ARTICLE_UPDATE'
 export const ARTICLE_DESTROY = 'ARTICLE_DESTROY'
 export const FOLDER_CREATE = 'FOLDER_CREATE'
+export const FOLDER_UPDATE = 'FOLDER_UPDATE'
 export const FOLDER_DESTROY = 'FOLDER_DESTROY'
 
 export const SWITCH_FOLDER = 'SWITCH_FOLDER'
@@ -28,10 +29,10 @@ export function updateArticle (article) {
   }
 }
 
-export function destroyArticle (articleKey) {
+export function destroyArticle (key) {
   return {
     type: ARTICLE_DESTROY,
-    data: { articleKey }
+    data: { key }
   }
 }
 
@@ -42,6 +43,13 @@ export function createFolder (folder) {
   }
 }
 
+export function updateFolder (folder) {
+  return {
+    type: FOLDER_UPDATE,
+    data: { folder }
+  }
+}
+
 export function destroyFolder (key) {
   return {
     type: FOLDER_DESTROY,