fix dune :^)

src/dune

@@ -35,6 +35,12 @@
  (preprocess
   (pps lwt_ppx)))
 
+(executable
+ (name island_client)
+ (modules island_client)
+ (libraries js_of_ocaml brr)
+ (modes js))
+
 (rule
  (target content.ml)
  (deps
@@ -44,9 +50,3 @@
   (with-stdout-to
    %{null}
    (run ocaml-crunch -m plain content -o %{target}))))
-
-(executable
- (name island_client)
- (modules island_client)
- (libraries js_of_ocaml brr)
- (modes js))