API upload image

Add:
- utils/pickImage.ts
- service/upload-service.ts
- constants/directory-id.ts
- constants/base-url-api-strorage.ts

### No Issue

utils/pickImage.ts

@@ -0,0 +1,53 @@
+import * as ImagePicker from "expo-image-picker";
+import { Alert } from "react-native";
+
+// Daftar ekstensi yang diperbolehkan
+const ALLOWED_EXTENSIONS = ["jpg", "jpeg", "png"];
+const MAX_FILE_SIZE = 5 * 1024 * 1024; // 5MB
+
+export default async function pickImage({setImageUri}: {setImageUri: (uri: string) => void}) {
+  const { status } = await ImagePicker.requestMediaLibraryPermissionsAsync();
+  if (status !== "granted") {
+    Alert.alert(
+      "Permission Denied",
+      "You need to grant permission to access your media library"
+    );
+    return;
+  }
+
+  const result = await ImagePicker.launchImageLibraryAsync({
+    mediaTypes: ImagePicker.MediaTypeOptions.Images,
+    allowsEditing: true,
+    aspect: [4, 3],
+    quality: 1,
+  });
+
+  if (result.canceled || !result.assets[0]?.uri) {
+    return;
+  }
+
+  const uri = result.assets[0].uri;
+  const filename = uri.split("/").pop()?.toLowerCase() || "";
+  const match = /\.(\w+)$/.exec(filename);
+  const extension = match ? match[1] : "";
+
+  // Validasi ekstensi
+  if (!extension || !ALLOWED_EXTENSIONS.includes(extension)) {
+    Alert.alert(
+      "File Tidak Valid",
+      "Hanya file JPG, JPEG, dan PNG yang diperbolehkan."
+    );
+    return;
+  }
+
+  // Opsional: Validasi ukuran file (jika metadata tersedia)
+  // Catatan: Di Expo, `file.size` mungkin tidak tersedia di semua platform
+  const asset = result.assets[0];
+  if (asset.fileSize && asset.fileSize > MAX_FILE_SIZE) {
+    Alert.alert("File Terlalu Besar", "Ukuran file maksimal adalah 5MB.");
+    return;
+  }
+
+  // Jika lolos validasi, simpan URI
+  setImageUri(uri);
+}