Feature: Implement proving worker (#22) #111

Job	Run time
Run linters / toml-lint	15s
Run linters / prettier	12s
Run linters / markdown-lint	16s
Run Cargo linters / cargo-lint	1m 3s
Build Rust project / rust_build	1m 36s
Run coverage / coverage	16m 56s
	20m 18s

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