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

frontend/node_modules/eslint/messages/invalid-rule-options.js

@@ -1,17 +0,0 @@
-"use strict";
-
-const { stringifyValueForError } = require("./shared");
-
-module.exports = function({ ruleId, value }) {
-    return `
-Configuration for rule "${ruleId}" is invalid. Each rule must have a severity ("off", 0, "warn", 1, "error", or 2) and may be followed by additional options for the rule.
-
-You passed '${stringifyValueForError(value, 4)}', which doesn't contain a valid severity.
-
-If you're attempting to configure rule options, perhaps you meant:
-
-    "${ruleId}": ["error", ${stringifyValueForError(value, 8)}]
-
-See https://eslint.org/docs/latest/use/configure/rules#using-configuration-files for configuring rules.
-`.trimStart();
-};