Add ability to compile .hir file through Juno Compiler

Cargo.lock

Cargo.toml

hercules_samples/dot/Cargo.toml

hercules_samples/dot/build.rs

hercules_samples/dot/src/dot.hir

hercules_samples/dot/src/main.rs

hercules_samples/fac/Cargo.toml

hercules_samples/fac/build.rs

hercules_samples/fac/src/fac.hir

hercules_samples/fac/src/main.rs

hercules_samples/matmul/Cargo.toml

hercules_samples/matmul/build.rs

hercules_samples/matmul/src/main.rs

hercules_samples/matmul/src/matmul.hir

juno_build/Cargo.toml

juno_build/src/lib.rs

juno_frontend/src/lib.rs