Update Russian and English translations

Author: voronkovich

app/Resources/translations/messages.en.xliff

@@ -198,6 +198,17 @@
             <trans-unit id="post.no_posts_found">
                 <source>post.no_posts_found</source>
                 <target>No posts found.</target>
+            <trans-unit id="post.created_successfully">
+                <source>post.created_successfully</source>
+                <target>Post created successfully!</target>
+            </trans-unit>
+            <trans-unit id="post.updated_successfully">
+                <source>post.updated_successfully</source>
+                <target>Post updated successfully!</target>
+            </trans-unit>
+            <trans-unit id="post.deleted_successfully">
+                <source>post.deleted_successfully</source>
+                <target>Post deleted successfully!</target>
             </trans-unit>
 
             <trans-unit id="help.app_description">

app/Resources/translations/messages.ru.xliff

@@ -198,6 +198,17 @@
             <trans-unit id="post.no_posts_found">
                 <source>post.no_posts_found</source>
                 <target>Ни одной записи не найдено.</target>
+            <trans-unit id="post.created_successfully">
+                <source>post.created_successfully</source>
+                <target>Запись успешно создана!</target>
+            </trans-unit>
+            <trans-unit id="post.updated_successfully">
+                <source>post.updated_successfully</source>
+                <target>Запись успешно обновлена!</target>
+            </trans-unit>
+            <trans-unit id="post.deleted_successfully">
+                <source>post.deleted_successfully</source>
+                <target>Запись успешно удалена!</target>
             </trans-unit>
 
             <trans-unit id="help.app_description">