feat: Add Defi spring (SNF Style) rewards decoder and sanitizer

[akiraonstarknet]

No description provided.

[Copilot]

Pull Request Overview

This PR adds support for Defi Spring (SNF Style) rewards claiming functionality by implementing a new decoder and sanitizer component. The changes introduce a new component that can handle reward claiming operations following the standard contract structure used by SNF for rewards.

• Adds a new defi_spring_snf_style module with interface and implementation
• Integrates the new component into the existing SimpleDecoderAndSanitizer contract
• Provides a claim function interface for reward claiming with amount and proof parameters

Reviewed Changes

Copilot reviewed 4 out of 5 changed files in this pull request and generated 1 comment.

File	Description
packages/vault_allocator/src/lib.cairo	Adds module declaration for defi_spring_snf_style
packages/vault_allocator/src/decoders_and_sanitizers/simple_decoder_and_sanitizer.cairo	Integrates the new component with imports, storage, events, and implementation
packages/vault_allocator/src/decoders_and_sanitizers/defi_spring_snf_style/interface.cairo	Defines the interface for Defi Spring SNF Style decoder with claim function
packages/vault_allocator/src/decoders_and_sanitizers/defi_spring_snf_style/defi_spring_snf_style_decoder_and_sanitizer.cairo	Implements the component with a placeholder claim function

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