feat: add fullscreen TUI and project updates

- New TUI screens: Main Menu, Compile, Run, REPL, AI Generator, AI Settings, Help
- AI configuration persisted in ~/.config/cljnim/config.json
- Added illwill dependency for terminal UI
- Updated experiments, examples, docs, and core modules

experiments/wasm-target/wasm_wrappers.nim

@@ -0,0 +1,14 @@
+# WASM-friendly wrappers around Clojure-generated code
+# Uses Emscripten FFI: cint → JS number, cstring → JS string
+
+import cljnim_runtime
+
+include build/math
+
+proc wasmSquare*(x: cint): cint {.exportc.} =
+  let r = square(cljInt(x.int64))
+  return r.intVal.cint
+
+proc wasmFactorial*(n: cint): cint {.exportc.} =
+  let r = factorial(cljInt(n.int64))
+  return r.intVal.cint