docs: add a comment about the zero fallbacks for stars and such

Author: serhalp

app/composables/useRepoMeta.ts

@@ -762,6 +762,8 @@ export function useRepoMeta(repositoryUrl: MaybeRefOrGetter<string | null | unde
     repoRef,
     meta,
 
+    // TODO(serhalp): Consider removing the zero fallback so callers can make a distinction between
+    // "unresoled data" and "zero value"
     stars: computed(() => meta.value?.stars ?? 0),
     forks: computed(() => meta.value?.forks ?? 0),
     watchers: computed(() => meta.value?.watchers ?? 0),