Add(brave): extension configuration for useragent-switcher

https://chromewebstore.google.com/detail/user-agent-switcher-and-m/bhchdcejhohfmigjafbampogmaanbfkg?pli=1
Lobste.rs blocks Brave... 🤦

brave/useragent-switcher-preferences.json

@@ -0,0 +1,22 @@
+{
+  "blacklist": [],
+  "custom": {},
+  "last-update": 1733177288412,
+  "mode": "whitelist",
+  "parser": {},
+  "protected": [
+    "google.com/recaptcha",
+    "gstatic.com/recaptcha",
+    "accounts.google.com",
+    "accounts.youtube.com",
+    "gitlab.com/users/sign_in",
+    "challenges.cloudflare.com"
+  ],
+  "remote-address": "",
+  "userAgentData": true,
+  "whitelist": [
+    "lobste.rs"
+  ],
+  "json-guid": "b5a2f2c8-614e-4e3f-8b67-c1320140f09a",
+  "json-forced": false
+}