[Improve][Doc] Add some connector icons (#7944) #1062

Job	Run time
Run / License header	1m 17s
Run / Code style	34s
Run / Dead links	1m 28s
Run / changes	20s
Run / Sanity check results	1s
Run / Build website	1s
Run / Dependency licenses	1s
Run / Build SeaTunnel UI	1s
Run / unit-test	1s
Run / updated-modules-integration-test-part-1	1s
Run / updated-modules-integration-test-part-2	1s
Run / updated-modules-integration-test-part-3	1s
Run / engine-v2-it	1s
Run / updated-modules-integration-test-part-4	1s
Run / updated-modules-integration-test-part-5	1s
Run / updated-modules-integration-test-part-6	1s
Run / updated-modules-integration-test-part-7	1s
Run / updated-modules-integration-test-part-8	1s
Run / all-connectors-it-1	1s
Run / all-connectors-it-2	1s
Run / all-connectors-it-3	1s
Run / all-connectors-it-4	1s
Run / all-connectors-it-5	1s
Run / all-connectors-it-6	1s
Run / all-connectors-it-7	1s
Run / amazonSqs-connector-it	1s
Run / doris-connector-it	1s
Run / engine-k8s-it	1s
Run / jdbc-connectors-it-part-1	1s
Run / jdbc-connectors-it-part-2	1s
Run / jdbc-connectors-it-part-3	1s
Run / jdbc-connectors-it-part-4	1s
Run / jdbc-connectors-it-part-5	1s
Run / jdbc-connectors-it-part-6	1s
Run / jdbc-connectors-it-part-7	1s
Run / kafka-connector-it	1s
Run / kudu-connector-it	1s
Run / oracle-cdc-connector-it	1s
Run / rocketmq-connector-it	1s
Run / transform-v2-it-part-1	1s
Run / paimon-connector-it	1s
Run / transform-v2-it-part-2	1s
	4m 17s

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