Ignore local storage; admin users NIP-05, media, events, footer updates

- Add /storage/ and /backend/storage/ to .gitignore
- Track meetup time helper, logo asset, and assorted frontend/backend fixes

frontend/lib/meetupEventTime.ts

@@ -0,0 +1,53 @@
+/**
+ * Event start times in Brussels local wall time, converted to UTC the same way as
+ * backend/src/api/calendar.ts (parseEventDates). Keeps admin/public UI aligned with ICS.
+ */
+
+// Parse "HH:MM", "H:MM am/pm", "Hpm" etc.
+function parseLocalTime(t: string): { h: number; m: number } {
+  const clean = t.trim();
+  const m24 = clean.match(/^(\d{1,2}):(\d{2})$/);
+  if (m24) return { h: parseInt(m24[1], 10), m: parseInt(m24[2], 10) };
+
+  const mAp = clean.match(/^(\d{1,2})(?::(\d{2}))?\s*(am|pm)$/i);
+  if (mAp) {
+    let h = parseInt(mAp[1], 10);
+    const m = mAp[2] ? parseInt(mAp[2], 10) : 0;
+    if (mAp[3].toLowerCase() === "pm" && h !== 12) h += 12;
+    if (mAp[3].toLowerCase() === "am" && h === 12) h = 0;
+    return { h, m };
+  }
+  return { h: 18, m: 0 };
+}
+
+// Brussels is UTC+1 (CET) / UTC+2 (CEST). Same as calendar.ts.
+const BRUSSELS_OFFSET_HOURS = 1;
+
+/** Extract YYYY-MM-DD from stored date (ISO date-only or full ISO datetime). */
+export function normalizeMeetupDateKey(dateStr: string): string | null {
+  const s = dateStr?.trim();
+  if (!s) return null;
+  const dayPart = s.includes("T") ? s.split("T")[0]! : s.slice(0, 10);
+  if (!/^\d{4}-\d{2}-\d{2}$/.test(dayPart)) return null;
+  return dayPart;
+}
+
+/**
+ * Returns event start instant in UTC, or Invalid Date if date/time cannot be parsed.
+ */
+export function getMeetupStartUtc(dateStr: string, timeStr: string): Date {
+  const key = normalizeMeetupDateKey(dateStr);
+  if (!key) return new Date(NaN);
+  const parts = key.split("-").map(Number);
+  const year = parts[0];
+  const month = parts[1];
+  const day = parts[2];
+  if (!year || !month || !day) return new Date(NaN);
+
+  const t = timeStr?.trim() ? timeStr : "00:00";
+  const timeParts = t.split(/\s*[-–]\s*/);
+  const { h: startH, m: startM } = parseLocalTime(timeParts[0] ?? "");
+
+  const utcStartH = startH - BRUSSELS_OFFSET_HOURS;
+  return new Date(Date.UTC(year, month - 1, day, utcStartH, startM, 0));
+}