style: format code style in Gemfile and controllers

- Adjust spacing around the quotes in the Gemfile
- Standardize spacing in the arts_controller for improved readability
- Modify routes file for consistent array formatting

These changes enhance the consistency of code style across the project without altering any functionality or behavior.

Gemfile

@@ -45,7 +45,7 @@ gem "devise", "~> 4.9"
 gem "activeadmin", "~> 3.2"
 gem "friendly_id", "~> 5.5"
 
-gem 'kaminari', '~> 1.2'
+gem "kaminari", "~> 1.2"
 
 # gem "whenever", "~> 1.0"
 gem "ruby-openai", "~> 7.3"

app/controllers/arts_controller.rb

@@ -3,18 +3,18 @@ class ArtsController < ApplicationController
     @regions = Region.all
     @current_region = Region.find(params[:region]) if params[:region].present?
 
-    @weather_arts = WeatherArt.includes(city: [:country, { country: :region }])
+    @weather_arts = WeatherArt.includes(city: [ :country, { country: :region } ])
 
     if @current_region
       @weather_arts = @weather_arts.joins(city: :country)
                                    .where(countries: { region_id: @current_region.id })
     end
 
-    @weather_arts = if params[:sort] == 'oldest'
+    @weather_arts = if params[:sort] == "oldest"
                       @weather_arts.order(created_at: :asc)
-                    else
+    else
                       @weather_arts.order(created_at: :desc)
-                    end
+    end
 
     @weather_arts = @weather_arts.page(params[:page]).per(10)
   end

config/routes.rb

@@ -6,7 +6,7 @@ Rails.application.routes.draw do
   resources :cities, only: [ :index, :show ] do
     resources :weather_arts, path: "weather", only: [ :show ], param: :slug
   end
-  resources :arts, only: [:index]
+  resources :arts, only: [ :index ]
 
   # namespace :admin do
   #  resources :cities