docs: add missing examples pages to SUMMARY.md

- Add cloud/examples.md to Cloud section
- Add enterprise/examples.md to Enterprise section
- Fixes broken links in overview pages

Author: joshrotenberg

docs/src/SUMMARY.md

@@ -23,6 +23,7 @@
 - [Tasks](./cloud/tasks.md)
 - [Workflows](./cloud/workflows.md)
 - [Raw API Access](./cloud/api-access.md)
+- [Examples](./cloud/examples.md)
 
 # Redis Enterprise Commands
 
@@ -57,6 +58,7 @@
 - [DNS Suffixes](./enterprise/suffix.md)
 - [Workflows](./enterprise/workflows.md)
 - [Raw API Access](./enterprise/api-access.md)
+- [Examples](./enterprise/examples.md)
 
 # Core Features