Added new Scripts

+ Steam Key finder
+ Steam Key guesser (replaces "?" with random numbers) and batch activator

Find Steam Keys.user.js

@@ -0,0 +1,29 @@
+// ==UserScript==
+// @name         Find Steam Keys
+// @version      1.0
+// @description  Will attempt to find potential Steam Keys anywhere
+// @author       marvinscham
+// @icon         https://marvinscham.de/assets/favicon-32x32.png
+// @match        *://*/*
+// @exclude      http://store.steampowered.com/account/registerkey*
+// @namespace    https://marvinscham.de
+// @grant        none
+// ==/UserScript==
+
+(function () {
+    function activateProduct(productKey) {
+        let activeproduct = window.open(
+            "https://store.steampowered.com/account/registerkey?key=" + productKey,
+            "activateproduct",
+            "width=990,height=1000,resizable=0,scrollbars=0,status=0,location=0"
+        );
+    };
+    setTimeout(function () {
+        let result = document.body.innerText.match(/(?:(?:[0-9A-Z?]{5}-){2}){1,2}[0-9A-Z?]{5}/g);
+        if (result.length > 0) {
+            if (confirm("Potential Steam Keys found:\n\n" + result.join("\n"))) {
+                activateProduct(result);
+            }
+        }
+    }, 1000);
+})();