feat(web): checkpoint web app init

- frontend (Vite/React) + server (Hono/Drizzle) scaffold under web/
- eeschema WASM embind kicadOpenFile hook + programmatic open-flow
- skip KiCad first-run setup wizard by seeding default config in preRun
- dev: auto-sync output/ WASM artifacts into tests/apps/kicad via link-wasm

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

web/.gitignore

@@ -0,0 +1,11 @@
+node_modules/
+dist/
+.turbo/
+.data/
+*.log
+.env
+.env.local
+# WASM artifacts: public/wasm is a symlink to the synced artifact dir
+# (tests/apps/kicad), created on `dev` — never committed.
+**/public/wasm
+**/public/wasm/