feat: add Rust userspace support; fix TLS layout for p_align < 16; kill whole process on sibling-thread faults

programs/rust/montauk-rt/Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "montauk-rt"
+version = "0.1.0"
+edition = "2024"
+description = "Minimal no_std runtime for Rust programs on MontaukOS"
+build = "build.rs"
+
+[lib]
+path = "src/lib.rs"