New docs and improved IDE

[cyteon]

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[Copilot]

Pull request overview

This PR replaces the old /docs markdown renderer with a new interactive “tour” section that pairs lesson content with an in-browser editor + runner, while also refactoring the standalone web IDE to use shared CodeMirror setup and updating related docs/wasm dependencies.

Changes:

• Add a new /tour/[...slug] route that loads lesson markdown + code and runs it via modu-wasm.
• Extract a shared CodeMirror configuration (newIDE) and introduce a basic Modu syntax highlighter.
• Update site-wide documentation links and bump modu-wasm to 3.1.1 (plus wasm output handling tweaks and some lang/runtime changes).

Reviewed changes

Copilot reviewed 47 out of 50 changed files in this pull request and generated 14 comments.

Show a summary per file

File	Description
web/src/routes/tour/+page.svelte	Redirect /tour to the first tour lesson
web/src/routes/tour/[...slug]/+page.ts	Adds load function for tour slug routing
web/src/routes/tour/[...slug]/+page.svelte	Interactive tour page (lesson HTML + editor + runner)
web/src/routes/ide/+page.svelte	Refactors IDE page to use shared newIDE() setup and updates layout/styles
web/src/routes/docs/[...slug]/+page.svelte	Removes the old docs renderer route
web/src/routes/+page.svelte	Simplifies homepage and updates the example error display
web/src/lib/tour/pages/arrays.md	Adds arrays lesson page
web/src/lib/tour/pages/booleans.md	Adds booleans lesson page
web/src/lib/tour/pages/break-continue.md	Adds break/continue lesson page
web/src/lib/tour/pages/classes.md	Adds classes lesson page
web/src/lib/tour/pages/contents.md	Adds tour table of contents page
web/src/lib/tour/pages/floats.md	Adds floats lesson page
web/src/lib/tour/pages/for-loops.md	Adds for-loops lesson page
web/src/lib/tour/pages/functions.md	Adds functions lesson page
web/src/lib/tour/pages/hello-world.md	Adds hello-world lesson page
web/src/lib/tour/pages/if-else.md	Adds if/else lesson page
web/src/lib/tour/pages/infinite-loops.md	Adds infinite loops lesson page
web/src/lib/tour/pages/integers.md	Adds integers lesson page
web/src/lib/tour/pages/objects.md	Adds objects lesson page
web/src/lib/tour/pages/strings.md	Adds strings lesson page
web/src/lib/tour/pages/type-conversion.md	Adds type conversion lesson page
web/src/lib/tour/pages/variables.md	Adds variables lesson page
web/src/lib/tour/pages/while-loops.md	Adds while-loops lesson page
web/src/lib/tour/pages/stdlib-intro.md	Adds stdlib intro lesson page
web/src/lib/tour/pages/stdlib-math.md	Adds stdlib math lesson page
web/src/lib/tour/pages/stdlib-json.md	Adds stdlib json lesson page
web/src/lib/tour/pages/stdlib-time.md	Adds stdlib time lesson page
web/src/lib/tour/pages/stdlib-uuid.md	Adds stdlib uuid lesson page
web/src/lib/tour/pages/stdlib-crypto.md	Adds stdlib crypto lesson page
web/src/lib/tour/pages/stdlib-encoding.md	Adds stdlib encoding lesson page
web/src/lib/tour/pages/stdlib-os.md	Adds stdlib os lesson page
web/src/lib/tour/pages/stdlib-fs.md	Adds stdlib fs lesson page
web/src/lib/tour/pages/stdlib-http.md	Adds stdlib http lesson page
web/src/lib/tour/pages/stdlib-ffi.md	Adds stdlib ffi lesson page
web/src/lib/tour/data.ts	Implements lesson loading + prev/next navigation helpers
web/src/lib/navbar.svelte	Updates global nav to point “docs” at the new tour
web/src/lib/moduSyntax.ts	Adds a custom CodeMirror StreamLanguage tokenizer for Modu
web/src/lib/ide.ts	Adds shared CodeMirror editor setup (newIDE)
web/src/app.css	Makes code/pre styling global and adds ANSI class styling
web/package.json	Bumps modu-wasm dependency version
web/package-lock.json	Lockfile update for modu-wasm bump and regenerated metadata
README.md	Updates documentation URL to the tour
modu-wasm/src/lib.rs	Switches compilation/runtime error output from println! to output buffer
modu-wasm/Cargo.toml	Bumps wasm crate version to 3.1.1
modu-wasm/Cargo.lock	Lockfile update for wasm + lang versions
lang/test	Updates sample code used for an error example
lang/src/stdlib/math.rs	Changes trig functions to interpret inputs as degrees
lang/README.md	Updates documentation URL to the tour
lang/Cargo.toml	Updates documentation URL + adjusts dependency versions
.github/workflows/deploy.yml	Removes BASE_PATH env usage during web build

Files not reviewed (1)

• web/package-lock.json: Language not supported

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