Add content/es/docs/concepts/overview/components.md (#22259)

* Add content/es/docs/concepts/overview/components.md

* Apply #14678 suggestions

* Replace content_template with content_type

* Remove capture shortcode

* Add missing glossary terms

Add controller glossary term
Add etcd glossary term
Add kube-apiserver glossary term
Add kube-controller-manager glossary term
Add kube-sccheduler glossary term
Add namespace glossary term

* Remove `master` references

* Apply emedina suggestions

Co-authored-by: Enrique Medina Montenegro <enrique@medinamontenegro.es>

Co-authored-by: Jose Miguel Parrella <jparrel@microsoft.com>
Co-authored-by: Enrique Medina Montenegro <enrique@medinamontenegro.es>

content/es/docs/reference/glossary/kube-controller-manager.md

@@ -0,0 +1,21 @@
+---
+title: kube-controller-manager
+id: kube-controller-manager
+date: 2018-04-12
+full_link: /docs/reference/command-line-tools-reference/kube-controller-manager/
+short_description: >
+  Componente del plano de control que ejecuta los controladores de Kubernetes.
+
+aka:
+tags:
+- architecture
+- fundamental
+---
+
+Componente del plano de control que ejecuta los {{< glossary_tooltip text="controladores" term_id="controller" >}} de Kubernetes.
+
+<!--more-->
+
+Lógicamente cada {{< glossary_tooltip text="controlador" term_id="controller" >}}
+es un proceso independiente, pero para reducir la complejidad, todos se compilan
+en un único binario y se ejecuta en un mismo proceso.