Delegate Instruction encoding to a new type

Author: samestep

crates/wasm-encoder/src/core.rs

@@ -8,6 +8,7 @@ mod exports;
 mod functions;
 mod globals;
 mod imports;
+mod instructions;
 mod linking;
 mod memories;
 mod names;
@@ -27,6 +28,7 @@ pub use exports::*;
 pub use functions::*;
 pub use globals::*;
 pub use imports::*;
+pub use instructions::*;
 pub use linking::*;
 pub use memories::*;
 pub use names::*;