Add enviroment variables .env_example

Rakefile

@@ -94,6 +94,31 @@ namespace :live do
   end
 end
 
+desc 'Git - Submodules'
+namespace :git do
+
+ desc 'Iniciar y actualizar submodules'
+ task :submodules_init do
+  sh "git submodule init && git submodule update"
+ end
+
+ desc 'Actualizar submodules, últimos commits'
+ task :submodules_update do
+  sh "git submodule update --recursive --remote"
+ end
+
+ desc 'Purgar submodules'
+ task :submodules_purge do
+  sh "git submodule deinit -f --all"
+ end
+
+ desc 'Actualizar submodules a una rama específica'
+ task :submodules_update_branch, [:branch] do |t, args|
+   branch = args[:branch] || 'main' # Usar 'main' como rama predeterminada si no se especifica
+   sh "git submodule foreach 'git checkout #{branch} && git pull origin #{branch}'"
+ end
+end
+
 def compose(*arg, compose: DOCKER_COMPOSE)
   sh "docker-compose -f #{compose} #{arg.join(' ')}"
 end