added greasemonkey script

yt-auto-reject.js

@@ -0,0 +1,31 @@
+// ==UserScript==
+// @name     YouTube Reject All
+// @version  1
+// @grant    none
+// ==/UserScript==
+
+var retryLimit = 5 // seconds
+
+var query
+if (!window.location.href.includes("consent.youtube.com")) {
+  if (!window.location.href.includes("youtube.com")) return
+  query = '[aria-label="Reject the use of cookies and other data for the purposes described"]'
+} else {
+  query = '[aria-label="Reject all"]'
+}
+
+window.addEventListener('load', consentMonitor);
+async function consentMonitor() {
+  var retryTotal = retryLimit * 1000
+  const timeout = 100
+  
+  for(var i = 0; i < retryTotal; i += timeout) {
+    await new Promise(r => setTimeout(r, 100));
+    
+    var e = document.querySelector(query)
+    if (!e) continue
+    
+    e.click()
+    return
+  }
+}