LLM module driver

[zees-dev]

Description

This PR introduces the LLM module for host runtime as a driver.
Llamafile is used as the LLM provider to download models and provide inference on demand for guest wasm apps.

Other changes

• Added unit test for llamafile to test e2e lifecycle
• Cargo.toml updates
• cargo fmt --all
• Added a generic HandleMap as a singleton for handling instances of LLM models loaded in guest wasm apps
• Added rust-toolchain.toml to repo

Dependent PRs

• LLM module improvements blocklessnetwork/sdk-rust#18
• LLM module improvements blocklessnetwork/sdk-assemblyscript#23
• Rust SDK version bump 0.1.6 -> 0.1.8 javy-bless-plugins#4
• LLM module improvements sdk-ts#10

[coveralls]

Pull Request Test Coverage Report for Build 13380616647

Details

• 79 of 289 (27.34%) changed or added relevant lines in 5 files are covered.
• 24 unchanged lines in 4 files lost coverage.
• Overall coverage increased (+0.02%) to 15.066%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
crates/blockless-drivers/src/error.rs	0	1	0.0%
crates/blockless-drivers/src/llm_driver/models.rs	27	100	27.0%
crates/blockless-drivers/src/llm_driver/llamafile.rs	7	143	4.9%

Files with Coverage Reduction	New Missed Lines	%
../../../.cargo/registry/src/index.crates.io-6f17d22bba15001f/tracing-core-0.1.33/src/field.rs	3	43.75%
../../../.cargo/registry/src/index.crates.io-6f17d22bba15001f/tracing-core-0.1.33/src/metadata.rs	6	50.0%
../../../.cargo/registry/src/index.crates.io-6f17d22bba15001f/tracing-core-0.1.33/src/subscriber.rs	6	16.67%
../../../.cargo/registry/src/index.crates.io-6f17d22bba15001f/tracing-core-0.1.33/src/dispatcher.rs	9	25.0%

Totals
Change from base Build 12861905583:	0.02%
Covered Lines:	6078
Relevant Lines:	12445

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💛 - Coveralls