Persist UI settings, add missing localizations for German

app/views/home/index.html.haml

@@ -1,21 +1,6 @@
 - content_for :header_tags do
   :javascript
-    window.INITIAL_STATE = {
-      "meta": {
-        "access_token": "#{@token}",
-        "locale": "#{I18n.locale}",
-        "me": #{current_account.id}
-      },
-
-      "compose": {
-        "me": #{current_account.id},
-        "private": #{current_account.locked?}
-      },
-
-      "accounts": {
-        #{current_account.id}: #{render(file: 'api/v1/accounts/show', locals: { account: current_user.account }, formats: :json)}
-      }
-    };
+    window.INITIAL_STATE = #{render(file: 'home/initial_state', formats: :json)}
 
   = javascript_include_tag 'application'
 

app/views/home/initial_state.json.rabl

@@ -0,0 +1,24 @@
+object false
+
+node(:meta) {
+  {
+    access_token: @token,
+    locale: I18n.locale,
+    me: current_account.id,
+  }
+}
+
+node(:compose) {
+  {
+    me: current_account.id,
+    private: current_account.locked?,
+  }
+}
+
+node(:accounts) {
+  {
+    current_account.id => partial('api/v1/accounts/show', object: current_account),
+  }
+}
+
+node(:settings) { @web_settings }