readme fix + make hacker theme more hacker

docs/versus.md

@@ -255,7 +255,7 @@ symbol legend,
 | per-file permissions    |   |   |   | █ | █ |   | █ |   | █ |   |   |   |
 | per-file passwords      | █ |   |   | █ | █ |   | █ |   | █ |   |   |   |
 | unmap subfolders        | █ |   |   |   |   |   | █ |   |   | █ | ╱ | • |
-| index.html blocks list  |   |   |   |   |   |   | █ |   |   | • |   |   |
+| index.html blocks list  | ╱ |   |   |   |   |   | █ |   |   | • |   |   |
 | write-only folders      | █ |   |   |   |   |   |   |   |   |   | █ | █ |
 | files stored as-is      | █ | █ | █ | █ |   | █ | █ |   |   | █ | █ | █ |
 | file versioning         |   |   |   | █ | █ |   |   |   |   |   |   |   |
@@ -291,6 +291,7 @@ symbol legend,
   * one-way folder sync from local to server can be done efficiently with [u2c.py](https://github.com/9001/copyparty/tree/hovudstraum/bin#u2cpy), or with webdav and conventional rsync
   * can hot-reload config files (with just a few exceptions)
   * can set per-folder permissions if that folder is made into a separate volume, so there is configuration overhead
+  * `index.html` on its own does not prevent directory listing, but permission `h` (instead of `r`) enforces index.html to be returned instead of folder contents
   * [event hooks](https://github.com/9001/copyparty/tree/hovudstraum/bin/hooks) ([discord](https://user-images.githubusercontent.com/241032/215304439-1c1cb3c8-ec6f-4c17-9f27-81f969b1811a.png), [desktop](https://user-images.githubusercontent.com/241032/215335767-9c91ed24-d36e-4b6b-9766-fb95d12d163f.png)) inspired by filebrowser, as well as the more complex [media parser](https://github.com/9001/copyparty/tree/hovudstraum/bin/mtag) alternative
   * upload history can be visualized using [partyjournal](https://github.com/9001/copyparty/blob/hovudstraum/bin/partyjournal.py)
 * `k`/filegator remarks: