use hash to identify policies

[Bhargavamacha]

Summary by CodeRabbit

• New Features
  • Renamed the project to "rwa-token-sdk" and updated its description for clarity.
  • Enhanced token transfer instructions with additional account validations.
  • Introduced a new policy management system, including creating, attaching, and detaching policies.
  • Added new types and functions to support policy enforcement and account management.
  • Updated program interfaces to improve clarity and consistency across modules.
• Documentation
  • Improved documentation for data registry, identity registry, and policy engine modules.
• Bug Fixes
  • Updated error handling and codes for more descriptive feedback on failures.
• Refactor
  • Overhauled policy engine logic to streamline policy account interactions and enforce policy constraints more effectively.
  • Simplified and clarified function and type names across the SDK to enhance developer understanding and usage.
• Tests
  • Expanded end-to-end tests to cover new policy features and token transfer logic.
• Chores
  • Updated dependencies and scripts to align with the project renaming and new functionality.

[coderabbitai]

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Walkthrough

The suite of changes centers around a significant overhaul of the rwa-token-sdk, focusing on enhancing policy management, asset control, and identity verification within the system. This includes a project rename, introduction of new functions and types for policy handling, adjustments to account and instruction structures, and refined error management. The updates aim to provide clearer, more flexible mechanisms for attaching, creating, and managing policies across various modules, reflecting a more robust and versatile SDK.

Changes

Files	Summary
clients/rwa-token-sdk/package.json, programs/Anchor.toml	Project renamed to "rwa-token-sdk"; updated paths and descriptions.
clients/.../src/asset_controller/instructions.ts, clients/.../src/policy_engine/instructions.ts, clients/.../src/policy_engine/utils.ts, clients/.../tests/e2e.test.ts, clients/.../tests/policies.test.ts	Added/updated functions for policy and asset control; updated tests.
clients/.../src/policy_engine/types.ts, programs/policy_engine/src/state/account.rs	Introduced PolicyType enum; updated policy-related types.
clients/.../src/programs/idls/..., clients/.../src/programs/types/..., programs/.../src/instructions/..., programs/.../src/state/...	Updated IDLs, types, and state management for clarity and functionality in policy and identity handling.
programs/.../src/error.rs, clients/.../src/programs/types/asset_controller.ts	Refined error handling and error code management.
programs/data_registry/src/instructions/..., programs/identity_registry/src/instructions/..., programs/identity_registry/src/state.rs	Adjusted constraints, updated signer verification, and modified state management for data and identity registries.

🐰✨
In the land of code, where changes abound,
A rabbit hopped in, making hardly a sound.
"To improve, to enhance," it whispered with glee,
As it tweaked and it tuned, "Let's make this SDK free!"
With policies aplenty and assets in check,
It danced through the code, a tech-savvy trek.
🌟🚀

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