Improved translations for English and Russian versions. (#760)

* First version of Russian translation

* Improvements

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Co-authored-by: Suoslex <mtsarev06@gmail.com>

src/renderer/features/titlebar/components/app-menu.tsx

@@ -76,7 +76,7 @@ export const AppMenu = () => {
     const handleManageServersModal = () => {
         openModal({
             children: <ServerList />,
-            title: 'Manage Servers',
+            title: t('page.manageServers.title', { postProcess: 'titleCase' }),
         });
     };