added: cert/SHA256:...

client/src/client.rs

@@ -116,11 +116,13 @@ async fn fetch(
         args: ClientArgs { api, interactive },
     }: FetchArgs,
 ) -> anyhow::Result<()> {
-    let certs = read_dir(&cert_dir).await?;
+    let certs = read_certs_dir(&cert_dir).await?;
+    let publics_keys = read_pubkey_dir(&cert_dir).await?;
     let client = reqwest::Client::new();
     let threshold_exp = min_delta.and_then(|min_delta| {
         SystemTime::now().checked_add(Duration::from_secs(60 * 60 * 24 * min_delta as u64))
     });
+    let standalone_certs = publics_keys.into_iter().map(|(name, key)| )
     let updates = certs
         .into_iter()
         .filter(|cert| {