Initial commit: WAFER (WebAssembly Forth Engine in Rust)

Optimizing Forth 2012 compiler targeting WebAssembly with IR-based
compilation pipeline, multi-typed stack inference, subroutine threading,
and JIT/consolidation modes. Rust kernel with ~35 primitives and Forth
standard library for core/core-ext word sets.

crates/core/Cargo.toml

@@ -0,0 +1,17 @@
+[package]
+name = "wafer-core"
+description = "WAFER: WebAssembly Forth Engine in Rust - core compiler and runtime"
+version.workspace = true
+edition.workspace = true
+license.workspace = true
+
+[dependencies]
+wasm-encoder = { workspace = true }
+wasmparser = { workspace = true }
+anyhow = { workspace = true }
+thiserror = { workspace = true }
+
+[dev-dependencies]
+proptest = { workspace = true }
+insta = { workspace = true }
+wasmtime = { workspace = true }