Fix: Ruby linting errors in Luma code snippets

Author: hollyabrams

official/docs/ruby/current/luma/buy.rb

@@ -1,6 +1,8 @@
+# frozen_string_literal: true
+
 require 'easypost'
 
-client = EasyPost::Client.new(api_key: "EASYPOST_API_KEY")
+client = EasyPost::Client.new(api_key: 'EASYPOST_API_KEY')
 
 retrieved_shipment = client.shipment.retrieve('shp_...')
 

official/docs/ruby/current/luma/one-call-buy.rb

@@ -1,6 +1,8 @@
+# frozen_string_literal: true
+
 require 'easypost'
 
-client = EasyPost::Client.new(api_key: "EASYPOST_API_KEY")
+client = EasyPost::Client.new(api_key: 'EASYPOST_API_KEY')
 
 shipment = client.shipment.create_and_buy_luma(
   to_address: {
@@ -11,7 +13,7 @@
     zip: '75070',
     country: 'US',
     phone: '8573875756',
-    email: 'dr_steve_brule@gmail.com',
+    email: 'dr_steve_brule@gmail.com'
   },
   from_address: {
     name: 'EasyPost',
@@ -22,20 +24,20 @@
     zip: '94104',
     country: 'US',
     phone: '4153334445',
-    email: 'support@easypost.com',
+    email: 'support@easypost.com'
   },
   parcel: {
     length: 20.2,
     width: 10.9,
     height: 5,
-    weight: 65.9,
+    weight: 65.9
   },
   carrier_accounts: ['ca_...'],
   persist_label: true,
   ruleset_name: 'required_deliver_by_date',
   planned_ship_date: '2025-07-16',
   deliver_by_date: '2025-07-18',
-  insurance: '50.00',
+  insurance: '50.00'
 )
 
 puts shipment

official/docs/ruby/current/luma/promise.rb

@@ -1,6 +1,8 @@
+# frozen_string_literal: true
+
 require 'easypost'
 
-client = EasyPost::Client.new(api_key: "EASYPOST_API_KEY")
+client = EasyPost::Client.new(api_key: 'EASYPOST_API_KEY')
 
 shipment = client.luma.get_promise(
   to_address: {
@@ -11,7 +13,7 @@
     zip: '75070',
     country: 'US',
     phone: '8573875756',
-    email: 'dr_steve_brule@gmail.com',
+    email: 'dr_steve_brule@gmail.com'
   },
   from_address: {
     name: 'EasyPost',
@@ -22,17 +24,17 @@
     zip: '94104',
     country: 'US',
     phone: '4153334445',
-    email: 'support@easypost.com',
+    email: 'support@easypost.com'
   },
   parcel: {
     length: 20.2,
     width: 10.9,
     height: 5,
-    weight: 65.9,
+    weight: 65.9
   },
   ruleset_name: 'required_deliver_by_date',
   planned_ship_date: '2025-07-16',
-  deliver_by_date: '2025-07-18',
+  deliver_by_date: '2025-07-18'
 )
 
 puts shipment