Add agent-browser skill and update settings

- Add agent-browser browser automation skill
- Update tabular-extract submodule
- Reorder settings.json fields (no functional change)

settings.json

@@ -1,8 +1,4 @@
 {
-  "attribution": {
-    "commit": "",
-    "pr": ""
-  },
   "permissions": {
     "allow": [
       "Bash(git:*)",
@@ -50,5 +46,9 @@
     "superpowers@claude-plugins-official": true
   },
   "alwaysThinkingEnabled": true,
+  "attribution": {
+    "commit": "",
+    "pr": ""
+  },
   "skipDangerousModePermissionPrompt": true
 }