API upload image

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

### No Issue

app/(application)/coba/button-upload.tsx

@@ -0,0 +1,80 @@
+/* eslint-disable @typescript-eslint/no-unused-vars */
+import { ButtonCustom } from "@/components";
+import pickImage from "@/utils/pickImage";
+import { Feather } from "@expo/vector-icons";
+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 function ButtonUpload({
+  setImageUri,
+}: {
+  setImageUri: (uri: string) => void;
+}) {
+  const pickImg = async () => {
+    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);
+  };
+
+  return (
+    <ButtonCustom
+      iconLeft={<Feather name="upload" size={14} color="black" />}
+      style={{
+        width: 120,
+        margin: "auto",
+      }}
+      onPress={() => {
+        pickImage({
+          setImageUri,
+        });
+      }}
+    >
+      Upload
+    </ButtonCustom>
+  );
+}