handle create database and collection from contract

[imotai]

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PR-Codex overview

This PR focuses on adding functionality to create collections with indexes in the DB3MetaStore.

Detailed summary

• Added indexes parameter to the create_collection function in DocStore
• Added indexes field to the CollectionMutation struct in db3_mutation_v2.proto
• Modified the create_collection function in DBStoreV2 to support indexes

The following files were skipped due to too many changes: src/storage/src/db_store_v2.rs, src/event/src/meta_store_event_processor.rs

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[codecov-commenter]

Codecov Report

Merging #569 (8dff7a4) into main (0974e4a) will not change coverage.
The diff coverage is n/a.

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@@           Coverage Diff           @@
##             main     #569   +/-   ##
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  Coverage   63.97%   63.97%           
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  Files           9        9           
  Lines         433      433           
  Branches       64       64           
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  Hits          277      277           
  Misses        156      156           

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