feat: add audio clip annotation view for dialect rating

src/lib/dialects.ts

@@ -0,0 +1,19 @@
+export const DIALECT_LABELS: Record<string, string> = {
+  ch_be: 'Bern',
+  ch_bs: 'Basel',
+  ch_gr: 'Graubünden',
+  ch_in: 'Innerschweiz',
+  ch_os: 'Ostschweiz',
+  ch_vs: 'Wallis',
+  ch_zh: 'Zürich',
+  de: 'Deutsch',
+};
+
+export type AnnotationEntry = {
+  id: number;
+  externalId: string;
+  fileName: string;
+  dialect: string;
+  durationMs: number | null;
+  datasetId: number;
+};