MAINTAINERS: add @isaacvicente as collaborator (#10739)

* MAINTAINERS: add @isaacvicente as collaborator

---------

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

.github/CODEOWNERS

@@ -2,7 +2,7 @@
 /pages.es/ @navarroaxel
 /pages.it/ @mebeim @yutyo
 /pages.pl/ @acuteenvy
-/pages.pt_BR/ @waldyrious
+/pages.pt_BR/ @waldyrious @isaacvicente
 /pages.pt_PT/ @waldyrious
 /pages.ta/ @kbdharun
 /pages.tr/ @yutyo

MAINTAINERS.md

@@ -58,6 +58,8 @@ If you are an owner of the organization, you can see an automated list
   [4 September 2023](https://github.com/tldr-pages/tldr/issues/10611) — present
 - **Lucas Schneider ([@schneiderl](https://github.com/schneiderl))**:
   [11 April 2019](https://github.com/tldr-pages/tldr/issues/2898) — [17 January 2020](https://github.com/tldr-pages/tldr/issues/3764), [7 February 2023](https://github.com/tldr-pages/tldr/issues/10674) — present
+- **Isaac Vicente ([@isaacvicente](https://github.com/isaacvicente/))**:
+  [20 September 2023](https://github.com/tldr-pages/tldr/issues/10737) — present
 - Owen Voke ([@owenvoke](https://github.com/owenvoke))
   [11 January 2018](https://github.com/tldr-pages/tldr/issues/1885) — [26 August 2018](https://github.com/tldr-pages/tldr/issues/2258)
 - Marco Bonelli ([@mebeim](https://github.com/mebeim)):