Implement kCTF strategy

This implementation is pretty scuffed, but its more exploratory than anything else.

justfile

@@ -1,10 +1,14 @@
-build: build-widget
-
 wasm-opt-args := "--strip-debug --strip-dwarf --enable-tail-call --enable-bulk-memory -Oz"
-zig-build-args := "--release=fast"
+zig-build-args := "--release=fast -Dtarget=wasm32-freestanding -Dcpu=generic+bulk_memory+bulk_memory_opt+simd128+tail_call"
 
 npm-runner := "npm"
 
+[working-directory: "example-app"]
+playground: build
+    {{npm-runner}} run dev
+
+build: build-widget
+
 [working-directory: "solver"]
 build-wasm:
     zig build {{zig-build-args}}