pages.{en, pt_BR}: replace the previous dockerd URL with the new one (#12704)

* pages.en: add new shorter dockerd URL

* pages.pt_BR: add new shorter dockerd URL

* pages.ar: add new shorter dockerd URL

* pages.pt_BR: start with double curly brackets

pages.ar/linux/dockerd.md

@@ -1,7 +1,7 @@
 # dockerd
 
 > هي عملية مستمرة تعمل في الخلفية تبدأها لتتحكم في حاويات الدوكر.
-> لمزيد من التفاصيل: <https://docs.docker.com/engine/reference/commandline/dockerd/>.
+> لمزيد من التفاصيل: <https://docs.docker.com/reference/cli/dockerd/>.
 
 - قم بتشغيل دوكر في الخلفية:
 

pages.pt_BR/linux/dockerd.md

@@ -1,7 +1,7 @@
 # dockerd
 
 > Um processo persistente para iniciar e gerenciar contêineres Docker.
-> Mais informações: <https://docs.docker.com/engine/reference/commandline/dockerd/>.
+> Mais informações: <https://docs.docker.com/reference/cli/dockerd/>.
 
 - Executa o daemon do Docker:
 
@@ -21,4 +21,4 @@
 
 - Executa e define um nível de log específico:
 
-`dockerd --log-level {debug|info|warn|error|fatal}}`
+`dockerd --log-level {{debug|info|warn|error|fatal}}`

pages/linux/dockerd.md

@@ -1,7 +1,7 @@
 # dockerd
 
 > A persistent process to start and manage Docker containers.
-> More information: <https://docs.docker.com/engine/reference/commandline/dockerd/>.
+> More information: <https://docs.docker.com/reference/cli/dockerd/>.
 
 - Run Docker daemon: