Add missing trailing newlines

Author: Blond11516

elixir-language-configuration.json

@@ -179,4 +179,4 @@
       "end": "^\\s+(\"\"\")|(#\\s*endregion\\b)"
     }
   }
-}
+}

syntaxes/html-eex.json

@@ -22,4 +22,4 @@
     }
   ],
   "scopeName": "text.html.elixir"
-}
+}