fix: avoid weirdness with proxies

See https://git.vvvvvvaria.org/decentral1se/distribusi-go/issues/16.

distribusi.go

@@ -454,7 +454,7 @@ func distribusify(c *cli.Context, root string, ignore []string) error {
 
 				mtype := "os/directory"
 
-				href := fmt.Sprintf("<a href='%s'>%s/</a>", fname, fname)
+				href := fmt.Sprintf("<a href='%s/'>%s/</a>", fname, fname)
 				div, err := mkDiv(c, mtype, href, fname, false)
 				if err != nil {
 					return err