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

frontend/node_modules/eslint/lib/rules/no-octal.js

@@ -1,45 +0,0 @@
-/**
- * @fileoverview Rule to flag when initializing octal literal
- * @author Ilya Volodin
- */
-
-"use strict";
-
-//------------------------------------------------------------------------------
-// Rule Definition
-//------------------------------------------------------------------------------
-
-/** @type {import('../shared/types').Rule} */
-module.exports = {
-    meta: {
-        type: "suggestion",
-
-        docs: {
-            description: "Disallow octal literals",
-            recommended: true,
-            url: "https://eslint.org/docs/latest/rules/no-octal"
-        },
-
-        schema: [],
-
-        messages: {
-            noOctal: "Octal literals should not be used."
-        }
-    },
-
-    create(context) {
-
-        return {
-
-            Literal(node) {
-                if (typeof node.value === "number" && /^0[0-9]/u.test(node.raw)) {
-                    context.report({
-                        node,
-                        messageId: "noOctal"
-                    });
-                }
-            }
-        };
-
-    }
-};