Add category configuration for Data Lifecycle and Operations

- Data Lifecycle: Position 5, proper title case display
- Operations: Position 8, proper title case display

This ensures consistent sidebar styling with the rest of the docs.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: Ignacio Van Droogenbroeck

docs/data-lifecycle/_category_.json

@@ -0,0 +1,8 @@
+{
+  "label": "Data Lifecycle",
+  "position": 5,
+  "link": {
+    "type": "generated-index",
+    "description": "Manage data lifecycle with retention policies, delete operations, and continuous queries."
+  }
+}

docs/operations/_category_.json

@@ -0,0 +1,8 @@
+{
+  "label": "Operations",
+  "position": 8,
+  "link": {
+    "type": "generated-index",
+    "description": "Operational features including telemetry and monitoring."
+  }
+}