Add README with screenshots, animated GIF, and global CLI setup

Polished README with logo, demo GIF, annotated screenshots, column
legend, keybinding table, and install instructions. Added bin entry
and shebang so `bun link` registers the `cladm` command globally.

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

package.json

@@ -1,7 +1,14 @@
 {
   "name": "cladm",
+  "version": "0.1.0",
+  "description": "TUI launcher for Claude Code sessions",
   "module": "index.ts",
   "type": "module",
+  "bin": {
+    "cladm": "src/index.ts"
+  },
+  "keywords": ["claude", "claude-code", "tui", "terminal", "launcher", "bun"],
+  "license": "MIT",
   "devDependencies": {
     "@types/bun": "latest"
   },