[add] initial commit

spec/models/client_spec.rb

@@ -0,0 +1,7 @@
+require 'rails_helper'
+
+RSpec.describe Client, type: :model do
+  it { should validate_presence_of(:name) }
+  it { should validate_presence_of(:name_id) }
+  it { should validate_presence_of(:api_key_hash) }
+end