Prevent trailing whitespace

Author: jessarcher

.eslintrc.js

@@ -6,4 +6,7 @@ module.exports = {
     parser: "@typescript-eslint/parser",
     plugins: ["@typescript-eslint"],
     extends: ["eslint:recommended", "plugin:@typescript-eslint/recommended"],
+    rules: {
+        "no-trailing-spaces": "error",
+    },
 };