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

frontend/node_modules/flatpickr/dist/esm/l10n/nl.js

@@ -1,62 +0,0 @@
-var fp = typeof window !== "undefined" && window.flatpickr !== undefined
-    ? window.flatpickr
-    : {
-        l10ns: {},
-    };
-export var Dutch = {
-    weekdays: {
-        shorthand: ["zo", "ma", "di", "wo", "do", "vr", "za"],
-        longhand: [
-            "zondag",
-            "maandag",
-            "dinsdag",
-            "woensdag",
-            "donderdag",
-            "vrijdag",
-            "zaterdag",
-        ],
-    },
-    months: {
-        shorthand: [
-            "jan",
-            "feb",
-            "mrt",
-            "apr",
-            "mei",
-            "jun",
-            "jul",
-            "aug",
-            "sept",
-            "okt",
-            "nov",
-            "dec",
-        ],
-        longhand: [
-            "januari",
-            "februari",
-            "maart",
-            "april",
-            "mei",
-            "juni",
-            "juli",
-            "augustus",
-            "september",
-            "oktober",
-            "november",
-            "december",
-        ],
-    },
-    firstDayOfWeek: 1,
-    weekAbbreviation: "wk",
-    rangeSeparator: " t/m ",
-    scrollTitle: "Scroll voor volgende / vorige",
-    toggleTitle: "Klik om te wisselen",
-    time_24hr: true,
-    ordinal: function (nth) {
-        if (nth === 1 || nth === 8 || nth >= 20)
-            return "ste";
-        return "de";
-    },
-};
-fp.l10ns.nl = Dutch;
-export default fp.l10ns;