fix: add journalStore shim and sync journals writable store with entriesStore

src/lib/stores/entriesStore.svelte.js

@@ -1,10 +1,13 @@
 import { db } from '../firebase.js';
 import { collection, doc, onSnapshot, query, orderBy, addDoc, updateDoc, deleteDoc, serverTimestamp } from 'firebase/firestore';
+import { writable } from 'svelte/store';
 
 let entries = $state([]);
 let _uid = null;
 let _unsubscribe = null;
 
+export const journals = writable([]);
+
 export function getEntries() {
   return entries;
 }
@@ -17,7 +20,9 @@ export function initEntriesListener(uid) {
     orderBy('createdAt', 'desc')
   );
   _unsubscribe = onSnapshot(q, (snap) => {
-    entries = snap.docs.map((d) => ({ id: d.id, ...d.data() }));
+    const data = snap.docs.map((d) => ({ id: d.id, ...d.data() }));
+    entries = data;
+    journals.set(data);
   });
 }
 

src/lib/stores/journalStore.js

@@ -0,0 +1,2 @@
+export { journals } from './entriesStore.svelte.js';
+export { addEntry as addJournal } from './entriesStore.svelte.js';