chore(docs): enable observability logs and traces in wrangler config

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Author: jkyberneees

docs/wrangler.jsonc

@@ -5,7 +5,7 @@
     "directory": "."
   },
   "observability": {
-    "enabled": false,
+    "enabled": true,
     "head_sampling_rate": 1,
     "logs": {
       "enabled": true,
@@ -14,7 +14,7 @@
       "invocation_logs": true
     },
     "traces": {
-      "enabled": false,
+      "enabled": true,
       "persist": true,
       "head_sampling_rate": 1
     }