Add yet-another-react-lightbox package and update .gitignore to exclude node_modules

frontend/node_modules/eslint/lib/shared/assert.js

@@ -1,22 +0,0 @@
-/**
- * @fileoverview Assertion utilities equivalent to the Node.js node:asserts module.
- * @author Josh Goldberg
- */
-
-"use strict";
-
-/**
- * Throws an error if the input is not truthy.
- * @param {unknown} value The input that is checked for being truthy.
- * @param {string} message Message to throw if the input is not truthy.
- * @returns {void}
- * @throws {Error} When the condition is not truthy.
- */
-function ok(value, message = "Assertion failed.") {
-    if (!value) {
-        throw new Error(message);
-    }
-}
-
-
-module.exports = ok;