Add landing page and Claude terminal launch screenshot

Pixel art brutalist Next.js landing page at site/ with Tailwind,
Silkscreen pixel font, Tokyo Night palette, terminal window
components, animated demo GIF, feature grid, keybinding table,
install instructions, launch flow visualization, and author section
with obfuscated email. Domain: claudm.com.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

site/.gitignore

@@ -0,0 +1,41 @@
+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+/.pnp
+.pnp.*
+.yarn/*
+!.yarn/patches
+!.yarn/plugins
+!.yarn/releases
+!.yarn/versions
+
+# testing
+/coverage
+
+# next.js
+/.next/
+/out/
+
+# production
+/build
+
+# misc
+.DS_Store
+*.pem
+
+# debug
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+.pnpm-debug.log*
+
+# env files (can opt-in for committing if needed)
+.env*
+
+# vercel
+.vercel
+
+# typescript
+*.tsbuildinfo
+next-env.d.ts