Add initial files

options.js

@@ -0,0 +1,30 @@
+document.addEventListener("DOMContentLoaded", restore);
+document.getElementById("save").addEventListener("click", save);
+
+const DEFAULT_SETTINGS = {
+  delay: 10,
+  blacklist: ["*.unbl.ink", "moz-extension://"],
+  paused: false,
+};
+
+function restore() {
+  browser.storage.local.get(DEFAULT_SETTINGS, (items) => {
+    document.getElementById("delay").value = items.delay;
+    document.getElementById("blacklist").value = items.blacklist.join("\n");
+  });
+}
+
+function save() {
+  const delay = parseInt(document.getElementById("delay").value, 10);
+  const blacklist = document
+    .getElementById("blacklist")
+    .value.split("\n")
+    .map((x) => x.trim())
+    .filter(Boolean);
+
+  browser.storage.local.set({ delay, blacklist }, () => {
+    const status = document.getElementById("status");
+    status.textContent = "Settings saved.";
+    setTimeout(() => (status.textContent = ""), 1500);
+  });
+}