feat setup: Setup Redux, Immutable.js and React

feat FileList: Implement File List + changedir action

src/js/actions/changedir.js

@@ -0,0 +1,8 @@
+import { CHANGE_DIRECTORY } from 'actions/types';
+
+export default function changedir(dir) {
+  return {
+    type: CHANGE_DIRECTORY,
+    dir
+  };
+}

src/js/actions/list-files.js

@@ -0,0 +1,8 @@
+import { LIST_FILES } from 'actions/types';
+
+export default function listFiles(files) {
+  return {
+    type: LIST_FILES,
+    files
+  };
+}

src/js/actions/types.js

@@ -0,0 +1,9 @@
+const TYPES = {
+  CHANGE_DIRECTORY: Symbol(),
+  LIST_FILES: Symbol(),
+  SORT: Symbol(),
+  SEARCH: Symbol(),
+  REFRESH: Symbol()
+};
+
+export default TYPES;