feat: add browser automation commands (v0.6.0)

Navigation: open-wait (open + block until loaded)
DOM: key, hover, check/uncheck, clear, focus, submit, poll, scroll, select, eval, wait-for
Tabs: pin/unpin, screenshot, watch-url (block until URL matches regex)
New command groups: page info, storage get/set, cookies list/get/set
Extension: add cookies permission

extension/manifest.json

@@ -1,7 +1,7 @@
 {
   "manifest_version": 3,
   "name": "browser-cli",
-  "version": "0.5.12",
+  "version": "0.6.0",
   "description": "Control your browser from the terminal via browser-cli",
   "permissions": [
     "tabs",
@@ -10,7 +10,8 @@
     "windows",
     "storage",
     "alarms",
-    "nativeMessaging"
+    "nativeMessaging",
+    "cookies"
   ],
   "host_permissions": ["<all_urls>"],
   "background": {