fix(languages): update GitHub languages JSON file

jaebradley · jaebradley · commit 0db844cbfa43 · 2020-09-02T21:52:07.000Z
diff --git a/src/languages.json b/src/languages.json
@@ -9878,6 +9878,7 @@
       ".vmb"
     ],
     "filenames": [
+      ".exrc",
       ".gvimrc",
       ".nvimrc",
       ".vimrc",
