switch server to rust based since it's much easier

layouts/shortcodes/health-form.html

@@ -68,9 +68,9 @@
      fetch("http://localhost:4242/health-form", {
          method: "POST",
          headers: {
-             "Content-Type": "application/json",
+             "Content-Type": "multipart/form-data",
          },
-         body: JSON.stringify(Object.fromEntries(data))
+         body: data
      }).then((res) => {
          console.log(res);
      });