Add new route for searching all entities

app/blueprints/api/v1/search_blueprint.rb

@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+module Api
+  module V1
+    class SearchBlueprint < Blueprinter::Base
+      identifier :searchable_id
+      fields :searchable_type, :granblue_id, :name_en, :name_jp, :element
+    end
+  end
+end

config/routes.rb

@@ -31,6 +31,7 @@ Rails.application.routes.draw do
       post 'check/email', to: 'users#check_email'
       post 'check/username', to: 'users#check_username'
 
+      post 'search', to: 'search#all'
       post 'search/characters', to: 'search#characters'
       post 'search/weapons', to: 'search#weapons'
       post 'search/summons', to: 'search#summons'