feat: initialize Next.js project with database schema

- Set up Next.js with App Router, TypeScript, Tailwind CSS
- Configure shadcn/ui with dark theme
- Install dependencies: lightweight-charts, papaparse, lucide-react
- Set up Drizzle ORM with better-sqlite3
- Create database schema for candles and annotations tables
- Generate migration SQL

package.json

@@ -0,0 +1,43 @@
+{
+  "name": "candle_annotator",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "dev": "next dev",
+    "build": "next build",
+    "start": "next start",
+    "lint": "next lint"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "type": "commonjs",
+  "dependencies": {
+    "@types/better-sqlite3": "^7.6.13",
+    "@types/node": "^25.2.3",
+    "@types/papaparse": "^5.5.2",
+    "@types/react": "^19.2.14",
+    "@types/react-dom": "^19.2.3",
+    "autoprefixer": "^10.4.24",
+    "better-sqlite3": "^12.6.2",
+    "class-variance-authority": "^0.7.1",
+    "clsx": "^2.1.1",
+    "drizzle-orm": "^0.45.1",
+    "eslint": "^9.39.2",
+    "eslint-config-next": "^16.1.6",
+    "lightweight-charts": "^5.1.0",
+    "lucide-react": "^0.563.0",
+    "next": "^16.1.6",
+    "papaparse": "^5.5.3",
+    "postcss": "^8.5.6",
+    "react": "^19.2.4",
+    "react-dom": "^19.2.4",
+    "tailwind-merge": "^3.4.0",
+    "tailwindcss": "^4.1.18",
+    "typescript": "^5.9.3"
+  },
+  "devDependencies": {
+    "drizzle-kit": "^0.31.9"
+  }
+}