docs: update .all-contributorsrc [skip ci]

allcontributors[bot] · web-flow · commit 1779c452aa2c · 2020-09-11T00:14:24.000Z
diff --git a/.all-contributorsrc b/.all-contributorsrc
@@ -164,6 +164,15 @@
       "contributions": [
         "code"
       ]
+    },
+    {
+      "login": "gbschalch",
+      "name": "Guilherme Schalch",
+      "avatar_url": "https://avatars3.githubusercontent.com/u/13435327?v=4",
+      "profile": "http://www.linkedin.com/in/schalch",
+      "contributions": [
+        "code"
+      ]
     }
   ],
   "contributorsPerLine": 7,
