feat: setup project and add types

- Install @react-native-async-storage/async-storage package
- Add Transaction interface
- Add BalanceInfo interface

package-lock.json

@@ -9,6 +9,7 @@
       "version": "1.0.0",
       "dependencies": {
         "@expo/vector-icons": "^15.0.3",
+        "@react-native-async-storage/async-storage": "^3.0.2",
         "@react-navigation/bottom-tabs": "^7.4.0",
         "@react-navigation/elements": "^2.6.3",
         "@react-navigation/native": "^7.1.8",
@@ -2797,6 +2798,19 @@
         }
       }
     },
+    "node_modules/@react-native-async-storage/async-storage": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/@react-native-async-storage/async-storage/-/async-storage-3.0.2.tgz",
+      "integrity": "sha512-XP0zDIl+1XoeuQ7f878qXKdl77zLwzLALPpxvNRc7ZtDh9ew36WSvOdQOhFkexMySapFAWxEbZxS8K8J2DU4eg==",
+      "license": "MIT",
+      "dependencies": {
+        "idb": "8.0.3"
+      },
+      "peerDependencies": {
+        "react": "*",
+        "react-native": "*"
+      }
+    },
     "node_modules/@react-native/assets-registry": {
       "version": "0.81.5",
       "resolved": "https://registry.npmjs.org/@react-native/assets-registry/-/assets-registry-0.81.5.tgz",
@@ -7445,6 +7459,12 @@
       "integrity": "sha512-WDC/ui2VVRrz3jOVi+XtjqkDjiVjTtFaAGiW37k6b+ohyQ5wYDOGkvCZa8+H0nx3gyvv0+BST9xuOgIyGQ00gw==",
       "license": "BSD-3-Clause"
     },
+    "node_modules/idb": {
+      "version": "8.0.3",
+      "resolved": "https://registry.npmjs.org/idb/-/idb-8.0.3.tgz",
+      "integrity": "sha512-LtwtVyVYO5BqRvcsKuB2iUMnHwPVByPCXFXOpuU96IZPPoPN6xjOGxZQ74pgSVVLQWtUOYgyeL4GE98BY5D3wg==",
+      "license": "ISC"
+    },
     "node_modules/ieee754": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.2.1.tgz",

package.json

@@ -12,6 +12,7 @@
   },
   "dependencies": {
     "@expo/vector-icons": "^15.0.3",
+    "@react-native-async-storage/async-storage": "^3.0.2",
     "@react-navigation/bottom-tabs": "^7.4.0",
     "@react-navigation/elements": "^2.6.3",
     "@react-navigation/native": "^7.1.8",
@@ -31,17 +32,17 @@
     "react-dom": "19.1.0",
     "react-native": "0.81.5",
     "react-native-gesture-handler": "~2.28.0",
-    "react-native-worklets": "0.5.1",
     "react-native-reanimated": "~4.1.1",
     "react-native-safe-area-context": "~5.6.0",
     "react-native-screens": "~4.16.0",
-    "react-native-web": "~0.21.0"
+    "react-native-web": "~0.21.0",
+    "react-native-worklets": "0.5.1"
   },
   "devDependencies": {
     "@types/react": "~19.1.0",
-    "typescript": "~5.9.2",
     "eslint": "^9.25.0",
-    "eslint-config-expo": "~10.0.0"
+    "eslint-config-expo": "~10.0.0",
+    "typescript": "~5.9.2"
   },
   "private": true
 }

types/index.ts

@@ -0,0 +1,14 @@
+export interface Transaction {
+  id: string;
+  amount: number;
+  description: string;
+  type: 'income' | 'expense';
+  category: string;
+  date: string;
+}
+
+export interface BalanceInfo {
+  total: number;
+  income: number;
+  expense: number;
+}