fix: use proper cwd in rappli binary

bin/rappli.js

@@ -1,13 +1,20 @@
 #!/usr/bin/env node
 
 import { exec } from "node:child_process";
-const process = exec("npm run start", (error, stdout, stderr) => {
+import { resolve } from "node:path";
+import { fileURLToPath } from "url";
+
+const process = exec(
+  "npm run start",
+  { cwd: resolve(fileURLToPath(import.meta.url), "..") },
+  (error, stdout, stderr) => {
     if (error) {
       console.error(`${error}`);
       return;
     }
     console.log(`${stdout}`);
     console.error(`${stderr}`);
-});
+  }
+);
 process.stdout.on("data", (data) => console.log(data));
 process.stderr.on("data", (data) => console.error(data));