update zscript playground

Author: connorjclark

dist/zscript/playground.js

@@ -223761,6 +223761,8 @@ ffc script OldMan
     const params = new URLSearchParams(location.search);
     const gist = params.get("gist");
     const url = params.get("url");
+    const data = params.get("data");
+    const fname = params.get("fname") ?? "main.zs";
     if (gist) {
       const gistFiles = await loadFromGist(gist);
       if (gistFiles) return gistFiles;
@@ -223773,12 +223775,16 @@ ffc script OldMan
         return null;
       }
       const files2 = /* @__PURE__ */ new Map();
-      files2.set("main.zs", content);
+      files2.set(fname, content);
       contentUrl = url;
       return files2;
+    } else if (data) {
+      const files2 = /* @__PURE__ */ new Map();
+      files2.set(fname, data);
+      return files2;
     }
     const files = /* @__PURE__ */ new Map();
-    files.set("main.zs", defaultContent);
+    files.set(fname, defaultContent);
     return files;
   }
   function findIdentifierAndSymbol(metadata, position) {