Handle latest typst version breaking changes

* Use the now-required `compile` subcommand in the justfile
* Use the new syntax for enumerated for-loops

justfile

@@ -3,4 +3,4 @@ default:
 
 
 build-example:
-    typst leipzig-gloss-examples.typ
+    typst compile leipzig-gloss-examples.typ

leipzig-gloss.typ

@@ -17,7 +17,7 @@
 
     for item_index in range(0, len) {
         let args = ()
-        for line_idx, formatter in formatters {
+        for (line_idx, formatter) in formatters.enumerate() {
             let formatter_fn = if formatter == none {
                 (x) => x
             } else {