feat: Introduce financial goal and asset management with SQLite and NativeWind integration, new tab screens, and updated dependencies.

db/index.ts

@@ -0,0 +1,54 @@
+import { openDatabaseSync } from 'expo-sqlite';
+import { Platform } from 'react-native';
+
+let db: any;
+if (Platform.OS !== 'web') {
+  db = openDatabaseSync('finance.db');
+} else {
+  // Mock DB for web to prevent crash
+  db = {
+    execSync: () => { },
+    getAllAsync: async () => [],
+    runAsync: async () => { },
+    getFirstAsync: async () => null,
+  };
+}
+
+export const initDatabase = () => {
+  try {
+    db.execSync(`
+      CREATE TABLE IF NOT EXISTS transactions (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        amount REAL NOT NULL,
+        category TEXT NOT NULL,
+        date TEXT NOT NULL,
+        description TEXT,
+        type TEXT NOT NULL -- 'income' or 'expense'
+      );
+
+      CREATE TABLE IF NOT EXISTS assets (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        name TEXT NOT NULL,
+        type TEXT NOT NULL, -- 'stock', 'crypto', 'real_estate', etc.
+        value REAL NOT NULL,
+        quantity REAL,
+        purchase_date TEXT
+      );
+
+      CREATE TABLE IF NOT EXISTS goals (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        name TEXT NOT NULL,
+        target_amount REAL NOT NULL,
+        current_amount REAL NOT NULL DEFAULT 0,
+        deadline TEXT
+      );
+    `);
+    console.log('Database initialized successfully');
+    return Promise.resolve(true);
+  } catch (error) {
+    console.error('Error initializing database', error);
+    return Promise.reject(error);
+  }
+};
+
+export const getDB = () => db;