fix bug stdin pipe to wrong process

rootfs overrides/usr/lib/sheebr/utils.js

@@ -1,6 +1,12 @@
+//@ts-check
+
+/**
+ * @param {string} str
+ * @returns { Promise<string> }
+ */
 async function getline(str) {
     process.stdout.write(str)
-    process.stdin.resume();
+    process.stdin.resume()
     process.stdin.setEncoding('utf8')
     let line = ""
     return new Promise((res, rej) => {
@@ -19,7 +25,7 @@ async function getline(str) {
 }
 
 function isAlpha(str){
-    return /^[a-zA-Z]*$/.test(str);
+    return /^[a-zA-Z]*$/.test(str)
 }