Fix playground iframe path and add siteinfo/versions stubs for GH Pages

Author: Dale-Black

docs/make.jl

@@ -26,3 +26,8 @@ makedocs(;
 
 # Deployment handled by GitHub Actions (actions/deploy-pages)
 # No deploydocs() needed — workflow uploads docs/build/ directly
+
+# Create stub files that Documenter.jl HTML expects but deploydocs() normally creates
+build_dir = joinpath(@__DIR__, "build")
+write(joinpath(build_dir, "siteinfo.js"), "var defined = 'dev';")
+write(joinpath(build_dir, "versions.js"), "var defined = 'dev';")

docs/src/index.md

@@ -6,7 +6,7 @@ A standalone Julia-to-JavaScript transpiler. Compile Julia functions to JavaScri
 
 ```@raw html
 <div class="playground-embed">
-<iframe src="../assets/playground/index.html" title="Julia Playground"></iframe>
+<iframe src="assets/playground/index.html" title="Julia Playground"></iframe>
 </div>
 ```