Add confirmation page when importing blocked domains (#1773)

* Move glitch-soc-specific strings to glitch-soc-specific locale files

* Add confirmation page when importing blocked domains

config/locales/en.yml

@@ -421,8 +421,6 @@ en:
       add_new: Allow federation with domain
       created_msg: Domain has been successfully allowed for federation
       destroyed_msg: Domain has been disallowed from federation
-      export: Export
-      import: Import
       undo: Disallow federation with domain
     domain_blocks:
       add_new: Add new domain block
@@ -431,8 +429,6 @@ en:
       domain: Domain
       edit: Edit domain block
       existing_domain_block_html: You have already imposed stricter limits on %{name}, you need to <a href="%{unblock_url}">unblock it</a> first.
-      export: Export
-      import: Import
       new:
         create: Create block
         hint: The domain block will not prevent creation of account entries in the database, but will retroactively and automatically apply specific moderation methods on those accounts.
@@ -473,14 +469,6 @@ en:
       resolved_dns_records_hint_html: The domain name resolves to the following MX domains, which are ultimately responsible for accepting e-mail. Blocking an MX domain will block sign-ups from any e-mail address which uses the same MX domain, even if the visible domain name is different. <strong>Be careful not to block major e-mail providers.</strong>
       resolved_through_html: Resolved through %{domain}
       title: Blocked e-mail domains
-    export_domain_allows:
-      new:
-        title: Import domain allows
-      no_file: No file selected
-    export_domain_blocks:
-      new:
-        title: Import domain blocks
-      no_file: No file selected
     follow_recommendations:
       description_html: "<strong>Follow recommendations help new users quickly find interesting content</strong>. When a user has not interacted with others enough to form personalized follow recommendations, these accounts are recommended instead. They are re-calculated on a daily basis from a mix of accounts with the highest recent engagements and highest local follower counts for a given language."
       language: For language