Add popup that allows modifying the config url

extensions/chrome/popup.js

@@ -0,0 +1,25 @@
+const inputField = document.getElementById("input-field");
+const saveButton = document.getElementById("save-button");
+const resetButton = document.getElementById("reset-button");
+
+const defaultConfig =
+  "https://raw.githubusercontent.com/davegallant/rfd-redirect-stripper/main/redirects.json";
+
+chrome.storage.local.get("config").then((result) => {
+  const value = result.config;
+  if (value) {
+    inputField.value = value;
+  }
+});
+
+saveButton.addEventListener("click", () => {
+  const value = inputField.value;
+  chrome.storage.local.set({ config: value });
+  updateRedirects();
+});
+
+resetButton.addEventListener("click", () => {
+  setDefaultConfig();
+  inputField.value = defaultConfig;
+  updateRedirects();
+});