iav_primula: add first integration dummy

[HeHa112]

Summary

PR for Task #80.

Motivation

Integrate the IAV-Primula post-quantum cryptography interface into the crypto daemon so that ML-DSA and ML-KEM can be used through the existing S-CORE provider.

Changes

• Added the IAV-Primula C ABI/FFI with stable status and algorithm values.
• Registered Primula as a specialized S-CORE provider.
• Added support for ML-DSA-44/65/87 and ML-KEM-512/768/1024.
• Added generic SIGN, VERIFY, and KEM handlers.
• Added key management, algorithm metadata, and provider factories.
• Added Rust and C++ unit and integration tests.
• Removed the obsolete Hello World files.

Behavior

The provider and handler structure is integrated and validates algorithms, key types, buffer sizes, and operations.
The actual Primula cryptographic implementation is not yet connected. The FFI operations currently return IavStatusUnsupportedAlgorithm. Therefore, real key-generation, signature, and KEM operations fail with the corresponding daemon error.

Testing

The following test targets are included:

• //score/iav_primula/tests:ffi_test
• Primula key-management, SIGN, VERIFY, and KEM unit tests
• iav_primula_application_integration_test

Scope

This PR is limited to:

• the Primula FFI,
• integration with the crypto daemon,
• the S-CORE provider and its handlers,
• algorithm metadata,
• build configuration and tests.

A concrete PQC implementation and production-ready key, signature, or KEM results are not part of this PR.

[github-actions]

License Check Results

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bazel run --lockfile_mode=error //:license-check

Status: ⚠️ Needs Review

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[License Check Output]
Extracting Bazel installation...
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Computing main repo mapping: 
WARNING: For repository 'score_docs_as_code', the root module requires module version score_docs_as_code@6.0.0, but got score_docs_as_code@8.0.0 in the resolved dependency graph. Please update the version in your MODULE.bazel or set --check_direct_dependencies=off
WARNING: For repository 'score_devcontainer', the root module requires module version score_devcontainer@1.10.0, but got score_devcontainer@1.11.0 in the resolved dependency graph. Please update the version in your MODULE.bazel or set --check_direct_dependencies=off
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WARNING: Target pattern parsing failed.
ERROR: Skipping '//:license-check': no such target '//:license-check': target 'license-check' not declared in package '' defined by /home/runner/work/inc_security_crypto/inc_security_crypto/BUILD
ERROR: no such target '//:license-check': target 'license-check' not declared in package '' defined by /home/runner/work/inc_security_crypto/inc_security_crypto/BUILD
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[github-actions]

Documentation preview for this pull request is available at:
pr-199: https://eclipse-score.github.io/inc_security_crypto/pr-199/