[NEW] Combined list of Issues for Search Module

This is an overview of the list of core extensions that the search module would like to see. There are sub-issues for each one.

• Completion of Multi/Exec notification. https://github.com/valkey-io/valkey/issues/2415 (merge with 2770)
• Module interface for fast keyspace prefix checking https://github.com/valkey-io/valkey/issues/2556
• Defrag Machinery https://github.com/valkey-io/valkey/issues/2557
• Cluster map change notification https://github.com/valkey-io/valkey/issues/2558
• New Command field classification. https://github.com/valkey-io/valkey/issues/2822
• Provide Notification on Key Load https://github.com/valkey-io/valkey/issues/2821
• Shared memory https://github.com/valkey-io/valkey/pull/2472
• ASM hooks: https://github.com/valkey-io/valkey/issues/2838
• Improved ClusterKeySlot: https://github.com/valkey-io/valkey/issues/2901
• Fix CLUSTER SLOTS command. https://github.com/valkey-io/valkey/issues/2912
• Optimize hash data member access. https://github.com/valkey-io/valkey/issues/2960
• Memory reservation https://github.com/valkey-io/valkey/issues/3339
• Improve Blocking Framework https://github.com/valkey-io/valkey/issues/3666
• Enhance DUMP/RESTORE with metadata from modules: https://github.com/valkey-io/valkey/issues/3995