[framework] Add external_object module for support of offchain objects

[igor-aptos]

Description

How Has This Been Tested?

Key Areas to Review

Type of Change

• New feature
• Bug fix
• Breaking change
• Performance improvement
• Refactoring
• Dependency update
• Documentation update
• Tests

Which Components or Systems Does This Change Impact?

• Validator Node
• Full Node (API, Indexer, etc.)
• Move/Aptos Virtual Machine
• Aptos Framework
• Aptos CLI/SDK
• Developer Infrastructure
• Move Compiler
• Other (specify)

Checklist

• I have read and followed the CONTRIBUTING doc
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I identified and added all stakeholders and component owners affected by this change as reviewers
• I tested both happy and unhappy path of the functionality
• I have made corresponding changes to the documentation

[trunk-io]

⏱️ 40m total CI duration on this PR

Job	Cumulative Duration	Recent Runs
rust-cargo-deny	9m	🟩 🟩 🟩 🟩 🟩
rust-move-tests	5m	🟥
rust-move-tests	5m	🟥
rust-move-tests	5m	🟥
check-dynamic-deps	4m	🟩 🟩 🟩 🟩 🟩
rust-move-tests	3m	🟥
rust-move-tests	2m	🟥
general-lints	2m	🟩 🟩 🟩 🟩 🟩
semgrep/ci	2m	🟩 🟩 🟩 🟩 🟩
file_change_determinator	1m	🟩 🟩 🟩 🟩 🟩
permission-check	12s	🟩 🟩 🟩 🟩 🟩
permission-check	12s	🟩 🟩 🟩 🟩 🟩
check-branch-prefix	1s	🟩

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[igor-aptos]

Warning

This pull request is not mergeable via GitHub because a downstack PR is open. Once all requirements are satisfied, merge this PR as a stack on Graphite.
Learn more

• testing compression #15581
• [framework][examples] compressed ambassador token #15580
• [framework] Add support for compressing and decompressing TokenV2 #15579
• [framework] Add external_object module for support of offchain objects #15578 👈 (View in Graphite)
• external unique state and verified external value #15577
• [framework][object] Introduce ability to recreate objects after deletion #15576
• [framework][simple] Add method to mutate PropertyMap before storing #15575
• [framework] Add any_map::AnyMap #15574
• [move][stdlib] Add efficient BigOrderedMap implementation  #14753
• [move-stdlib] Introduce efficient OrderedMap implementation #14872
• [move] Implement generic comparison method in move - move part (cmp::compare) #15245
• [move][framework] Enable building framework with move-2 #14917
• ungate native memory operations #15532
• Optimizing vector::replace and compiler-v2 vector depenency fix  #15524
• main

This stack of pull requests is managed by Graphite. Learn more about stacking.