memorable download codes

README.md

@@ -8,6 +8,7 @@
 
 - One-to-many transfer of large files
 - Simple web UI for sender and receivers
+- Word-based download codes that are easy to remember and communicate
 - Receivers can begin downloading *immediately*, without needing to
   wait for the upload to finish
 - Receivers can also download after the upload is complete and the
@@ -29,6 +30,9 @@ transbeam is configured with the following environment variables:
   being uploaded (default: 16GiB)
 - `TRANSBEAM_MAX_STORAGE_SIZE`: maximum total size, in bytes, of all
   files being stored by transbeam (default: 64GiB)
+- `TRANSBEAM_MNEMONIC_CODES`: generate memorable download codes using
+  English words, rather than random alphanumeric strings (default:
+  true)
 - `RUST_LOG`: log levels, for the app as a whole and/or for specific
   submodules/libraries. See
   [`env_logger`](https://docs.rs/env_logger/latest/env_logger/)'s
@@ -58,5 +62,3 @@ cargo run --release
 
 - uploader auth
 - downloader auth
-- more readable download codes?
-- proper error display in the web ui