Initial commit: TKB Timeshift Schedule Management Application

- Next.js 15.2.4 with React 19 and TypeScript
- Monthly schedule generator with Excel-like formatting
- Complete employee list from example.xlsx (18 employees)
- Excel-style column naming (A, B, C, ..., Z, AA, AB, ...)
- Counter-clockwise text rotation for data values
- Weekend highlighting and shift color coding
- Team selection for TKB, METRO, D8
- 7 days from previous month + full current month date range
- jspreadsheet integration for Excel-like interface

🤖 Generated with [Claude Code](https://claude.ai/code)

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

package.json

@@ -0,0 +1,39 @@
+{
+  "name": "timeshift",
+  "version": "0.1.0",
+  "private": true,
+  "scripts": {
+    "dev": "next dev",
+    "build": "next build",
+    "start": "next start",
+    "lint": "next lint"
+  },
+  "dependencies": {
+    "@radix-ui/react-dialog": "^1.1.14",
+    "@radix-ui/react-label": "^2.1.7",
+    "@radix-ui/react-select": "^2.2.5",
+    "@radix-ui/react-separator": "^1.1.7",
+    "@radix-ui/react-slot": "^1.2.3",
+    "@radix-ui/react-tabs": "^1.1.12",
+    "@radix-ui/react-tooltip": "^1.2.7",
+    "class-variance-authority": "^0.7.1",
+    "clsx": "^2.1.1",
+    "lucide-react": "^0.525.0",
+    "next": "15.2.4",
+    "react": "^19.0.0",
+    "react-dom": "^19.0.0",
+    "tailwind-merge": "^3.3.1"
+  },
+  "devDependencies": {
+    "@eslint/eslintrc": "^3",
+    "@tailwindcss/postcss": "^4",
+    "@types/node": "^20",
+    "@types/react": "^19",
+    "@types/react-dom": "^19",
+    "eslint": "^9",
+    "eslint-config-next": "15.2.4",
+    "tailwindcss": "^4",
+    "tw-animate-css": "^1.3.6",
+    "typescript": "^5"
+  }
+}