Update docs config to the latest format

[jiacai2050]

Describe this problem

The config format is changed in #215, but docs remain the old format. Affected docs:

• https://docs.ceresdb.io/deploy/static_routing.html

Steps to reproduce

None

Expected behavior

No response

Additional Information

This is right config for schema shards

[[static_route.topology.schema_shards]]
schema = 'public'
auto_create_tables = true

[[static_route.topology.schema_shards.shard_views]]
shard_id = 0

[static_route.topology.schema_shards.shard_views.endpoint]
addr = "127.0.0.1"
port = 8831