🚨🦀 Setup Rust -> WASM 🦀🚨 (#28)

* initial tokeniser to wasm port

* fix tests

* add wasm to build script

* add rust tools to test action

* tweaks

* maybe tests will be happy

* tweak simple server

* trying to get tests to pass

* it pget vercel to build

* tidy up

* clean up rust files

* change lexer to use recursion so that it's consistent with the rest of the interpreter

* clean up nokeniser further

* rename variables

* readme typos

* run rust tests in CI

* follow clippy's advice

* more clippy clean up

* setup up proper serialzation to js-land

* tidy init promise in tests

src/lang/recast.test.ts

@@ -2,6 +2,9 @@ import { recast } from './recast'
 import { Program, abstractSyntaxTree } from './abstractSyntaxTree'
 import { lexer, Token } from './tokeniser'
 import fs from 'node:fs'
+import { initPromise } from './rust'
+
+beforeAll(() => initPromise)
 
 describe('recast', () => {
   it('recasts a simple program', () => {