docs: enable lead maintainer for the repo

AuHau · itofarina · commit 230d47d07b25 · 2020-11-03T08:36:30.000-03:00
diff --git a/CODEOWNERS b/CODEOWNERS
@@ -0,0 +1 @@
+* farinalvaro
diff --git a/README.md b/README.md
@@ -20,6 +20,12 @@
 
 ---
 
+## Lead Maintainer
+
+[Alvaro Fariña](https://github.com/farinalvaro)
+
+See what "Lead Maintainer" means [here](https://github.com/rsksmart/lead-maintainer).
+
 ## Installation
 
 ```bash
