docs: Add Digital Ocean how-to markdown

assets/markdown/how_digital_ocean-en.md

@@ -0,0 +1,12 @@
+### How to get Digital Ocean API Token
+1.  Visit the following [link](https://cloud.digitalocean.com/) and sign
+    into newly created account.
+2.  Enter into previously created project. If you haven't created one,
+    then please proceed.
+3.  Go to the "API" link on the left bar.
+4.  Click on the "Generate New Token".
+5.  Enter any name for the token.
+6.  Put expiration time to "No expiry".
+7.  Check the "Write (optional)" checkbox.
+8.  Now click on the "Generate Token" button. 
+9.  After that, the token will be shown. Store it in any reliable place, preferably a password manager.

assets/markdown/how_digital_ocean-ru.md

@@ -0,0 +1,10 @@
+### How to get Digital Ocean API Token
+1.  Перейдите по [ссылке](https://cloud.digitalocean.com/) и войдите в ваш аккаунт.
+2.  Перейдите в новый проект, либо создайте проект, если ещё этого не сделали.
+3.  Перейдите в "API" раздел в меню слева.
+4.  Нажмите на "Generate New Token".
+5.  Введите какое-нибудь имя для токена.
+6.  Установите время истощения на "No expiry".
+7.  Проставьте галочку в пункте "Write (optional)".
+8.  Теперь нажмите на "Generate Token" кнопку внизу. 
+9.  После этого появится ваш токен. Скопируйте его в надёжное место, лучше в ваш собственный менеджер паролей.

assets/translations/en.json

@@ -289,7 +289,7 @@
         "select_provider_payment_text_do": "Credit cards, Google Pay, PayPal",
         "select_provider_email_notice": "E-mail hosting won't be available for new clients. Nevertheless it will be unlocked as soon as you complete your first payment.",
         "select_provider_site_button": "Visit site",
-        "connect_to_server_provider": "Autorize in ",
+        "connect_to_server_provider": "Now log in ",
         "connect_to_server_provider_text": "With API token SelfPrivacy will be able to rent a machine and setup your server on it",
         "how": "How to obtain API token",
         "provider_bad_key_error": "Provider API key is invalid",

lib/ui/pages/setup/initializing/server_provider_picker.dart

@@ -51,7 +51,7 @@ class _ServerProviderPickerState extends State<ServerProviderPicker> {
           providerCubit: widget.formCubit,
           providerInfo: ProviderPageInfo(
             providerType: ServerProvider.hetzner,
-            pathToHow: 'hetzner_how',
+            pathToHow: 'how_hetzner',
             image: Image.asset(
               'assets/images/logos/hetzner.png',
               width: 150,
@@ -64,7 +64,7 @@ class _ServerProviderPickerState extends State<ServerProviderPicker> {
           providerCubit: widget.formCubit,
           providerInfo: ProviderPageInfo(
             providerType: ServerProvider.digitalOcean,
-            pathToHow: 'hetzner_how',
+            pathToHow: 'how_digital_ocean',
             image: Image.asset(
               'assets/images/logos/digital_ocean.png',
               width: 150,