docs: improve SEO metadata across docs pages

docs/api-reference/events/get-event.mdx

@@ -1,6 +1,6 @@
 ---
 title: 'Get Event'
-description: "Retrieve details of a specific event by ID, including status and payload for async memory operations."
+description: "Fetch details of a specific Mem0 event by its event_id, including status, payload, and completion info for async memory operations."
 openapi: get /v1/event/{event_id}/
 ---
 

docs/api-reference/events/get-events.mdx

@@ -1,6 +1,6 @@
 ---
 title: 'Get Events'
-description: "List recent events for your organization and project, useful for dashboards, alerting, and audit logging."
+description: "List recent events for your Mem0 organization and project to power dashboards, alerting on FAILED writes, and audit logging pipelines."
 openapi: get /v1/events/
 ---