Add rails-settings-cached, use for initial feature flags

db/migrate/20230217084310_create_settings.rb

@@ -0,0 +1,15 @@
+class CreateSettings < ActiveRecord::Migration[7.0]
+  def self.up
+    create_table :settings do |t|
+      t.string  :var,        null: false
+      t.text    :value,      null: true
+      t.timestamps
+    end
+
+    add_index :settings, %i(var), unique: true
+  end
+
+  def self.down
+    drop_table :settings
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.0].define(version: 2023_01_11_113139) do
+ActiveRecord::Schema[7.0].define(version: 2023_02_17_084310) do
   create_table "donations", force: :cascade do |t|
     t.integer "user_id"
     t.integer "amount_sats"
@@ -34,6 +34,14 @@ ActiveRecord::Schema[7.0].define(version: 2023_01_11_113139) do
     t.index ["user_id"], name: "index_invitations_on_user_id"
   end
 
+  create_table "settings", force: :cascade do |t|
+    t.string "var", null: false
+    t.text "value"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["var"], name: "index_settings_on_var", unique: true
+  end
+
   create_table "users", force: :cascade do |t|
     t.string "cn"
     t.string "ou"