feat: add book transcripts categorisation

app/(app)/transcriptions/page.tsx

@@ -7,6 +7,7 @@ import { ogForTranscriptions } from "@/lib/og";
 import {
   getTranscriptionYears,
   getTranscriptionPlaces,
+  getTranscriptionBooks,
   getTotalTranscriptionCount,
   getTranscriptionIndex,
 } from "@/lib/transcriptions";
@@ -24,9 +25,10 @@ export default async function TranscriptionsPage({
 }) {
   const { view = "year" } = await searchParams;
 
-  const [years, places, totalCount, index] = await Promise.all([
+  const [years, places, books, totalCount, index] = await Promise.all([
     getTranscriptionYears(),
     getTranscriptionPlaces(),
+    getTranscriptionBooks(),
     getTotalTranscriptionCount(),
     getTranscriptionIndex(),
   ]);
@@ -56,6 +58,7 @@ export default async function TranscriptionsPage({
           currentView={view}
           years={years}
           places={places}
+          books={books}
           lectureCount={index.typeDistribution.lecture}
           conversationCount={index.typeDistribution.conversation}
         />