Add management of webmentions

slices/admin/views/webmentions/index.rb

@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+module Admin
+  module Views
+    module Webmentions
+      class Index < Admin::View
+        include Deps["repos.webmention_repo"]
+
+        expose :webmentions do
+          webmention_repo.list_all
+        end
+      end
+    end
+  end
+end