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

This reverts commit c92f4a5edd.

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

@@ -0,0 +1,58 @@
+var fp = typeof window !== "undefined" && window.flatpickr !== undefined
+    ? window.flatpickr
+    : {
+        l10ns: {},
+    };
+export var Swedish = {
+    firstDayOfWeek: 1,
+    weekAbbreviation: "v",
+    weekdays: {
+        shorthand: ["sön", "mån", "tis", "ons", "tor", "fre", "lör"],
+        longhand: [
+            "söndag",
+            "måndag",
+            "tisdag",
+            "onsdag",
+            "torsdag",
+            "fredag",
+            "lördag",
+        ],
+    },
+    months: {
+        shorthand: [
+            "jan",
+            "feb",
+            "mar",
+            "apr",
+            "maj",
+            "jun",
+            "jul",
+            "aug",
+            "sep",
+            "okt",
+            "nov",
+            "dec",
+        ],
+        longhand: [
+            "januari",
+            "februari",
+            "mars",
+            "april",
+            "maj",
+            "juni",
+            "juli",
+            "augusti",
+            "september",
+            "oktober",
+            "november",
+            "december",
+        ],
+    },
+    rangeSeparator: " till ",
+    time_24hr: true,
+    ordinal: function () {
+        return ".";
+    },
+};
+fp.l10ns.sv = Swedish;
+export default fp.l10ns;