added logo image and slogan to sign in page

src/lib/stores/entriesStore.svelte 2.js

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+import { db } from '../firebase.js';
+import { collection, doc, onSnapshot, query, orderBy, addDoc, updateDoc, deleteDoc, serverTimestamp } from 'firebase/firestore';
+
+let entries = $state([]);
+let _uid = null;
+let _unsubscribe = null;
+
+export function getEntries() {
+  return entries;
+}
+
+export function initEntriesListener(uid) {
+  if (_unsubscribe) _unsubscribe();
+  _uid = uid;
+  const q = query(
+    collection(db, 'users', uid, 'entries'),
+    orderBy('createdAt', 'desc')
+  );
+  _unsubscribe = onSnapshot(q, (snap) => {
+    entries = snap.docs.map((d) => ({ id: d.id, ...d.data() }));
+  });
+}
+
+export async function addEntry(data) {
+  if (!_uid) return null;
+  const ref = await addDoc(collection(db, 'users', _uid, 'entries'), {
+    ...data,
+    createdAt: serverTimestamp(),
+    updatedAt: serverTimestamp(),
+  });
+  return ref.id;
+}
+
+export async function updateEntry(id, data) {
+  if (!_uid) return;
+  await updateDoc(doc(db, 'users', _uid, 'entries', id), {
+    ...data,
+    updatedAt: serverTimestamp(),
+  });
+}
+
+export async function removeEntry(id) {
+  if (!_uid) return;
+  await deleteDoc(doc(db, 'users', _uid, 'entries', id));
+}