[FLINK-28493][docs] Add document to describe "ANALYZE TABLE" syntax

[swuferhong]

What is the purpose of the change

This pr is aims to add document for "ANALYZE TABLE" syntax to introduce it's syntax and usage.

Brief change log

• Adding a new markdown file named analyze.md to introduce "ANALYZE TABLE" syntax.

Verifying this change

No test cases.

Does this pull request potentially affect one of the following parts:

• Dependencies (does it add or upgrade a dependency): no
• The public API, i.e., is any changed class annotated with @Public(Evolving): no
• The serializers: no
• The runtime per-record code paths (performance sensitive): no
• Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Kubernetes/Yarn, ZooKeeper: no
• The S3 file system connector: no

Documentation

• Does this pull request introduce a new feature? no
• If yes, how is the feature documented? yes, this pr is a document.

[flinkbot]

CI report:

• b95e1a6f50e2741ff6ab56208cccf9d8518ad4af Azure: SUCCESS

Bot commands

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[godfreyhe]

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