chore: add archived clock app to apps-archived/

The Clock app source is preserved in apps-archived/ for reference.
This directory is excluded from the pnpm workspace.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

apps-archived/clock/packages/shared/package.json

@@ -0,0 +1,19 @@
+{
+	"name": "@clock/shared",
+	"version": "0.2.0",
+	"private": true,
+	"type": "module",
+	"main": "./src/index.ts",
+	"exports": {
+		".": "./src/index.ts",
+		"./types": "./src/types/index.ts",
+		"./constants": "./src/constants/index.ts"
+	},
+	"scripts": {
+		"type-check": "tsc --noEmit",
+		"lint": "eslint src"
+	},
+	"devDependencies": {
+		"typescript": "^5.7.2"
+	}
+}