fix(languages): update GitHub languages JSON file

jaebradley · jaebradley · commit d46b70a59901 · 2018-12-01T16:31:40.000Z
diff --git a/src/languages.json b/src/languages.json
@@ -7540,6 +7540,7 @@
       ".ss"
     ],
     "interpreters": [
+      "scheme",
       "guile",
       "bigloo",
       "chicken",
