Add @andor-pierdelacabeza as a contributor

.all-contributorsrc

@@ -616,6 +616,13 @@
       "name": "Casey Primozic",
       "avatar_url": "https://avatars3.githubusercontent.com/u/4335849?v=4",
       "profile": "https://cprimozic.net/",
+      "contributions": []
+    },
+    {
+      "login": "andor-pierdelacabeza",
+      "name": "Alvaro [Andor]",
+      "avatar_url": "https://avatars3.githubusercontent.com/u/2430915?v=4",
+      "profile": "http://pierdelacabeza.com/maruja",
       "contributions": [
       ]
     }