Ferrum-language Compiler

Ferrum-language is a systems programming language with C syntax and
compile-time memory safety via a borrow checker and ownership model.
Compiled to native code through LLVM 18.

Features:
- Ownership and move semantics
- Immutable and mutable borrows enforced at compile time
- Opt-in unsafe blocks for raw pointer arithmetic and FFI
- C interoperability via #include
- Zero runtime overhead — no garbage collector