upload: log files being uploaded nicely

upload/src/main.rs

···
   xrpc::XrpcExt,
 };
 use miette::{Context, IntoDiagnostic, Result};
+use std::io::Write;
 use std::{collections::HashMap, fs, path::PathBuf};
 
 use crate::sitemap::{BlobRef, Sitemap, SitemapNode};
···
   // upload local site blobs
   let mut new_sitemap: Sitemap = HashMap::new();
   for (k, v) in local_sitemap {
+    print!("Uploading {k}... ");
+    let _ = std::io::stdout().flush();
     let blob = match v.blob {
       BlobRef::Local(path) => path,
       BlobRef::Remote(_) => {
···
         blob: BlobRef::Remote(res.blob.into()),
       },
     );
+
+    println!("Done!");
   }
 
   Ok(new_sitemap)