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

frontend/node_modules/flatpickr/dist/esm/utils/dom.js

@@ -1,54 +0,0 @@
-export function toggleClass(elem, className, bool) {
-    if (bool === true)
-        return elem.classList.add(className);
-    elem.classList.remove(className);
-}
-export function createElement(tag, className, content) {
-    var e = window.document.createElement(tag);
-    className = className || "";
-    content = content || "";
-    e.className = className;
-    if (content !== undefined)
-        e.textContent = content;
-    return e;
-}
-export function clearNode(node) {
-    while (node.firstChild)
-        node.removeChild(node.firstChild);
-}
-export function findParent(node, condition) {
-    if (condition(node))
-        return node;
-    else if (node.parentNode)
-        return findParent(node.parentNode, condition);
-    return undefined;
-}
-export function createNumberInput(inputClassName, opts) {
-    var wrapper = createElement("div", "numInputWrapper"), numInput = createElement("input", "numInput " + inputClassName), arrowUp = createElement("span", "arrowUp"), arrowDown = createElement("span", "arrowDown");
-    if (navigator.userAgent.indexOf("MSIE 9.0") === -1) {
-        numInput.type = "number";
-    }
-    else {
-        numInput.type = "text";
-        numInput.pattern = "\\d*";
-    }
-    if (opts !== undefined)
-        for (var key in opts)
-            numInput.setAttribute(key, opts[key]);
-    wrapper.appendChild(numInput);
-    wrapper.appendChild(arrowUp);
-    wrapper.appendChild(arrowDown);
-    return wrapper;
-}
-export function getEventTarget(event) {
-    try {
-        if (typeof event.composedPath === "function") {
-            var path = event.composedPath();
-            return path[0];
-        }
-        return event.target;
-    }
-    catch (error) {
-        return event.target;
-    }
-}