chore: Update Help Center APIs to accomodate locale (#4515)

db/migrate/20220416203340_add_config_to_portal.rb

@@ -0,0 +1,5 @@
+class AddConfigToPortal < ActiveRecord::Migration[6.1]
+  def change
+    add_column :kbase_portals, :config, :jsonb, default: { allowed_locales: ['en'] }
+  end
+end

db/migrate/20220416205519_add_locale_to_kbase_category.rb

@@ -0,0 +1,7 @@
+class AddLocaleToKbaseCategory < ActiveRecord::Migration[6.1]
+  def change
+    add_column :kbase_categories, :locale, :string, default: 'en'
+    add_index :kbase_categories, :locale
+    add_index :kbase_categories, [:locale, :account_id]
+  end
+end

db/schema.rb

@@ -507,6 +507,8 @@ ActiveRecord::Schema.define(version: 2022_04_18_094715) do
     t.integer "position"
     t.datetime "created_at", precision: 6, null: false
     t.datetime "updated_at", precision: 6, null: false
+    t.string "locale", default: "en"
+    t.index ["locale", "account_id"], name: "index_kbase_categories_on_locale_and_account_id"
   end
 
   create_table "kbase_folders", force: :cascade do |t|
@@ -528,6 +530,7 @@ ActiveRecord::Schema.define(version: 2022_04_18_094715) do
     t.text "header_text"
     t.datetime "created_at", precision: 6, null: false
     t.datetime "updated_at", precision: 6, null: false
+    t.jsonb "config", default: {"allowed_locales"=>["en"]}
     t.index ["slug"], name: "index_kbase_portals_on_slug", unique: true
   end