[FLINK-35646][docs] Add docs for materialized table refresh api #38

Job	Run time
Pre-compile Checks / Basic QA	9m 34s
Default (Java 8) / Compile	42m 35s
Default (Java 8) / Test packaging/licensing	33m 7s
Default (Java 8) / E2E (group 1)	2h 1m 39s
Default (Java 8) / Test (module: core)	37m 34s
Default (Java 8) / E2E (group 2)	2h 35m 37s
Default (Java 8) / Test (module: python)	30m 57s
Default (Java 8) / Test (module: table)	36m 37s
Default (Java 8) / Test (module: connect)	20m 38s
Default (Java 8) / Test (module: tests)	46m 43s
Default (Java 8) / Test (module: misc)	44m 52s
	9h 39m 53s

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