start on checking slop on search result pages

scripts/hide-slop.js

@@ -0,0 +1,12 @@
+function check_links(links) {
+    // send a message to background script with a list of URLs to check
+    browser.runtime.sendMessage({type: "check", urls: links})
+}
+
+async function message_listener(message) {
+    if(message.type === "check_result") {
+        console.log(message.url, message.result)
+    }
+}
+
+browser.runtime.onMessage.addListener(message_listener)