Make Account searchable

app/models/account.rb

@@ -1,6 +1,16 @@
 # frozen_string_literal: true
 
 class Account < ApplicationRecord
+  include Searchable
+
+  settings index: { number_of_shards: 1 } do
+    mapping dynamic: false do
+      indexes :nickname,    analyzer: 'english'
+      indexes :public_name, analyzer: 'russian'
+      indexes :biography,   analyzer: 'russian'
+    end
+  end
+
   ################
   # Associations #
   ################